Climate and monthly weather forecastSaco, ME
Climate and monthly weather forecast
The climate of Saco
Saco, Maine, USA is classified under the Dfb category of the Köppen climate classification, indicating a humid continental climate with no dry season and warm summers. This geographically positioned place benefits from a variety of weather alterations that craft a diverse climate tableau throughout the year.The temperature in Saco typically varies; the lowest mark being 19.8°F (-6.8°C) during winter months and escalating to 74.5°F (23.6°C) at the peak of summer. Saco tends to have high relative humidity that averages 70% to 82% throughout the year, maintaining a consistently damp environment.
Precipitation is prevalent across seasons with rainfall ranging from 1.34" (34mm) to 2.95" (75mm) per month. The volume of snowfall sees an upswing during winter months from 2.64" (67mm) to 4.33" (110mm) while becoming nearly nonexistent during summer months. Cloud cover varies slightly from month to month, hovering around 49% on average, which implies partially cloudy skies most year-round.
Distinct weather patterns include the highest temperature peak at 74.5°F (23.6°C) in July and the lowest in January at 19.8°F (-6.8°C). While there is considerable precipitation throughout the year, December marks the highest rainfall at 2.8" (71mm).
The best time to visit Saco
Optimum time for outdoor activities in Saco is from late Spring to central Summer. Embracing moderately warm temperatures from 59.9°F (15.5°C) in May to a summer high of 74.5°F (23.6°C) in July allows outdoor enthusiasts to explore the town's offerings comfortably. June particularly stands out with nearly 15.4 hours of daylight, an average UV index of 5 and moderately high temperature, making it an ideal month for outdoor explorations.The worst time to visit Saco
Visitations to Saco might prove challenging during the late fall and winter months. With temperatures consistently dropping below freezing from November to February, Saco experiences cold and often harsh weather. Additionally, these months attest to the highest snowfall, with December witnessing up to 4.17" (106mm) of snow. Short days with an average of 9 to 9.7 hours of daylight combined with reduced visibility also add to the inconvenience, making these months less suitable for sightseeing and outdoor activities.Spring weather in Saco
Spring in Saco unfolds from March, bringing a steady rise in temperatures from 39°F (3.9°C) to 59.9°F (15.5°C) by the end of May. Although the months from March to May are still relatively cool, the increase in temperature invites locals and tourists alike to indulge in various outdoor activities. Substantial daylight hours of 12 to 14.7 hours add to the appeal.Summer weather in Saco
Summer in Saco hits its stride from June till August. The town witnesses a temperature bracket of 67.5°F (19.7°C) to 74.5°F (23.6°C), making it the warmest time of the year. This period evidences the least rainfall and snowfall, channeling advantageous conditions for all kinds of outdoor expeditions.Autumn weather in Saco
Autumn months in Saco observe the mercury progressively dropping from a high of 68°F (20°C) in September to a cooler 46.2°F (7.9°C) by November. This season sees varied precipitation with rainfall increasing from 1.34" (34mm) in September to 2.56" (65mm) in November.Winter weather in Saco
Winter in Saco is synonymous with cold weather and snow, setting in full swing from December until February. Winter months bear witness to temperatures dropping to a chilling 19.8°F (-6.8°C) in January while snowfall accentuates, especially in December and January with 4.17" (106mm) and 4.33" (110mm) respectively. Despite the cold, winter presents a magical facade of Saco with its snow-laden vistas under 9 hours of cloud-casted daylight.Weather in February
February in Saco, Maine, features similar weather conditions when compared to January. Unpredictable snowfall, up to 4.41" (112mm) on a single day, makes it a challenging period for travel. The short, cold, snowy winters continue to define the region's climate alongside temperatures that hardly ever rise above the freezing point. The modest increase in daylight hours, however, hints at the changing season. Despite this, February is a month of unwavering winter charm, offering opportunities to bask in the frosty spirit of Saco, a place that's no stranger to winter's icy grip. Weather in February »Weather in February
Despite a slight rise in temperature, February remains an icy month, maintaining its winter landscape with snowfall, reaching up to 4.41" (112mm) in a single day. The chill in the air is still prominent, and the place hasn't yet bid goodbye to its snow blankets. As February progresses, Saco, Maine anticipates the arrival of Spring. A slight increase in daylight hours is a subtle indication of the forthcoming shift in seasons. Nevertheless, the month maintains a chilly winter ambience which necessitates warm clothing and careful planning for outdoor activities. Weather in February »Weather in March
March in Saco, Maine, welcomes the arrival of spring although the weather remains cold with slight hints of warmth. During this transitional period, snowfall decreases significantly compared to previous months, reaching a maximum of 2.64" (67mm). Daylight hours increase while moments of sunshine become noticeable, heralding the change from winter to spring. Temperature fluctuations are common, so packing layers is still wise. In its whispers of spring, the city of Saco unfolds its unique charm in March, melding the remains of winter with promises of warmth. Weather in March »Weather in April
As Saco, Maine, sheds its winter cloak, April brings explicit cues of spring. The city no longer experiences heavy snowfall, with the amount significantly reduced to a maximum of 1.73" (44mm) on a rare occasion. The appearance of newly-blossomed flowers and greener landscapes underscore the warming trend marked by longer daylight hours. Temperature highs make outdoor activities more appealing during this month. Though the winter chill can still be felt in early mornings and nights, the gradual warming of April is undeniable. Weather in April »Weather in May
May in Saco, Maine, fully embraces spring. The rare occasions of snowfall diminish to a mere 0.2" (5mm), announcing the city's entry into the warmer half of the year. Temperatures climb steadily, setting the stage for upcoming summer months. Green landscapes thrive, and the city is embellished with an array of blossoms. This is the month when the freshness of the spring can be truly enjoyed, and outdoor activities without heavy clothing are finally possible. Weather in May »Weather in June
The summer sets in during June in Saco, Maine, indicated by the end of any noticeable snowfall. Long daylight hours illuminate the city's sublime landscapes in the peak of their greenery. The temperatures begin to induce a warm, comfortable weather pattern that encourages plenty of outdoor exploration. Clothing becomes lighter, residents and visitors enjoy afternoons at local parks, and overall outdoor activity in the city increases. In the arrival of summer, June embodies the warmth and vibrancy that is typical of this season. Weather in June »Weather in July
July comprises the hottest days in Saco, Maine, with temperatures reaching a high of 74.5°F (23.6°C). The city is now fully immersed in the height of summer with the longest days of the year. Increased humidity creates a sultrier ambience but does not diminish the city's vibrant summer allure. Outdoor activities thrive, with families and tourists capitalizing on the warm weather and extended daylight hours. The warmth of July, coupled with the lively atmosphere, makes Saco particularly appealing during this month. Weather in July »Weather in August
August continues the trend of warm weather in Saco, Maine, nearly matching July's temperatures. Although the heat is not as intense as the previous month, with a peak of 74.1°F (23.4°C), it assists the city in retaining its summer vibe. August experiences a comforting blend of extended daylight hours with ample opportunities to enjoy outdoor pursuits. Despite the slight decrease in temperatures observed in the late evenings, the liveliness of summer remains unabated throughout. As the last month of "official" summer, August beckons visitors and residents to soak in the remnants of the warm season. Weather in August »Weather in September
As September starts, Saco, Maine, commences its transition from summer to fall. The days start to cool down, with temperatures dropping, but not below the mild and comfortable range. It stands out from the other months due to its reduced rainfall of only 1.34" (34mm). The decrease in daylight hours is compensated by the magical transformation of the city's landscape into a palette of autumn reds, oranges, and golds. September symbolizes a gentle changing of the seasons, where summer slowly fades, and the rich hues of fall start becoming apparent. Weather in September »Weather in October
October witnesses the full swing of fall in Saco, Maine. The highest rainfall of the year marked at 2.95" (75mm), adding an element of freshness to the already beautiful landscape. The drop in temperature signifies the increasing influence of the approaching winter. The city sparkles in the hues of autumn, and the beautiful transformations make sightseeing a delight. Despite the dip in temperature and the increased rain, the month of October has its own beauty, enjoyed by all. Weather in October »Weather in November
November in Saco, Maine brings the onset of winter, confirmed by the reappearance of snowfall up to 1.14" (29mm). The trees bare themselves, losing most of their leaves, a telling sign of the changing season. The city experiences a considerable drop in daylight hours, marking shorter days and longer nights. The cool winds from the north start gaining momentum, and the need for warm clothing becomes evident. The departure of fall colors and the arrival of the first snow make November a significant and delightful transitional period in Saco. Weather in November »Weather in December
December officially marks the beginning of winter in Saco, Maine, with thick blankets of snow covering the city, measuring up to 4.17" (106mm). The city experiences the shortest days of the year, with low but persistent daylight. The cold weather fully sets in, demanding warm clothing for outdoor activities. Despite the frosty conditions and fewer daylight hours, the festive cheer on the streets of Saco manages to light up the city. December in Saco, painted in white, culminates the year with an enchanting winter charm. Weather in December »Weather in January
January, the same as December, in Saco, Maine, is a freezing cold winter month, with an average temperature fluctuating between 19.8°F (-6.8°C) and 30.7°F (-0.7°C). January, with its high-temperature average of 30.7°F (-0.7°C) and a low-temperature average of 19.8°F (-6.8°C), is the coldest month. Weather in January »Weather in February
Despite a slight rise in temperature, February remains an icy month, maintaining its winter landscape with snowfall, reaching up to 4.41" (112mm) in a single day. The chill in the air is still prominent, and the place hasn't yet bid goodbye to its snow blankets. Weather in February »Weather in March
March in Saco, Maine, welcomes the arrival of spring although the weather remains cold with slight hints of warmth. During this transitional period, snowfall decreases significantly compared to previous months, reaching a maximum of 2.64" (67mm). Weather in March »Weather in April
As Saco, Maine, sheds its winter cloak, April brings explicit cues of spring. The city no longer experiences heavy snowfall, with the amount significantly reduced to a maximum of 1.73" (44mm) on a rare occasion. The appearance of newly-blossomed flowers and greener landscapes underscore the warming trend marked by longer daylight hours. Weather in April »Weather in May
May in Saco, Maine, fully embraces spring. The rare occasions of snowfall diminish to a mere 0.2" (5mm), announcing the city's entry into the warmer half of the year. Temperatures climb steadily, setting the stage for upcoming summer months. Weather in May »Weather in June
The summer sets in during June in Saco, Maine, indicated by the end of any noticeable snowfall. Long daylight hours illuminate the city's sublime landscapes in the peak of their greenery. The temperatures begin to induce a warm, comfortable weather pattern that encourages plenty of outdoor exploration. Weather in June »Weather in July
July comprises the hottest days in Saco, Maine, with temperatures reaching a high of 74.5°F (23.6°C). The city is now fully immersed in the height of summer with the longest days of the year. Increased humidity creates a sultrier ambience but does not diminish the city's vibrant summer allure. Weather in July »Weather in August
August continues the trend of warm weather in Saco, Maine, nearly matching July's temperatures. Although the heat is not as intense as the previous month, with a peak of 74.1°F (23.4°C), it assists the city in retaining its summer vibe. Weather in August »Weather in September
As September starts, Saco, Maine, commences its transition from summer to fall. The days start to cool down, with temperatures dropping, but not below the mild and comfortable range. It stands out from the other months due to its reduced rainfall of only 1.34" (34mm). Weather in September »Weather in October
October witnesses the full swing of fall in Saco, Maine. The highest rainfall of the year marked at 2.95" (75mm), adding an element of freshness to the already beautiful landscape. The drop in temperature signifies the increasing influence of the approaching winter. Weather in October »Weather in November
November in Saco, Maine brings the onset of winter, confirmed by the reappearance of snowfall up to 1.14" (29mm). The trees bare themselves, losing most of their leaves, a telling sign of the changing season. The city experiences a considerable drop in daylight hours, marking shorter days and longer nights. Weather in November »Weather in December
December officially marks the beginning of winter in Saco, Maine, with thick blankets of snow covering the city, measuring up to 4.17" (106mm). The city experiences the shortest days of the year, with low but persistent daylight. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Saco, ME
The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is January (30.7°F).
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure
Saco, ME
- Average pressure in January:
29.98"Hg - Average pressure in February:
29.97"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.02"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Saco, ME
- Average wind speed in January:
11.1mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.4mph - Average wind speed in April:
9.4mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.2mph - Average wind speed in November:
9.8mph - Average wind speed in December:
10.2mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity
Saco, ME
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (75%).
Average rainfall
Saco, ME
- Average rainfall in January:
1.97" - Average rainfall in February:
2.09" - Average rainfall in March:
2.24" - Average rainfall in April:
2.64" - Average rainfall in May:
2.32" - Average rainfall in June:
2.52"
- Average rainfall in July:
1.89" - Average rainfall in August:
2.13" - Average rainfall in September:
1.34" - Average rainfall in October:
2.95" - Average rainfall in November:
2.56" - Average rainfall in December:
2.8"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days
Saco, ME
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
7 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
13.7 days
- Average rainfall days in July:
13.3 days - Average rainfall days in August:
12.1 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
10 days - Average rainfall days in December:
9.9 days
The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall
Saco, ME
- Average snowfall in January:
4.33" - Average snowfall in February:
4.41" - Average snowfall in March:
2.64" - Average snowfall in April:
1.73" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Saco, ME
- Average snowfall days in January:
8.8 days - Average snowfall days in February:
7.2 days - Average snowfall days in March:
7.1 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
6.2 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Saco, ME
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 42min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 42min - Average sunshine in May:
7h and 54min - Average sunshine in June:
8h and 48min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days
Saco, ME
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
14.7 days
- Average sunshine days in July:
15.9 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
18.3 days - Average sunshine days in October:
15.9 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
15.6 days
The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (12.9 days).
Average UV index
Saco, ME
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Saco, ME
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Saco, ME
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





