Climate and monthly weather forecastWaterville, ME
Climate and monthly weather forecast
The climate of Waterville
Waterville, Maine, USA, experiences a Dfb Köppen climate classification, also known as the Humid continental climate with no dry season and warm summer. Geographically sitting in the northeastern part of the country, the town encounters diverse weather patterns throughout the year.Average high temperatures fluctuate from 25.3°F (-3.7°C) in January to 77°F (25°C) in July, demonstrating significant variations across different seasons. Minimum temperatures, on the other hand, range from 11.7°F (-11.3°C) in the colder month of January all the way to 56.8°F (13.8°C) in July. Noticeably, the town observes a steady increment in temperature moving from the cold winter months to the warmer summer months.
Relative humidity in Waterville is consistently high throughout the year, from a low of 78% in April and November up to 85% during February and March. Consequently, the region is invariably moist, contributing to the frequent rainfall and snowfall experienced each year.
Rainfall in Waterville is seen in every month, with the highest amount of precipitation observed in April at 3.03" (77mm) and the lowest in July at 1.73" (44mm). Concurrently, the city has an average of about 14.9 rain days in July and a high of 15.9 rain days in May, showing a moderate distribution of rainy days.
The city also experiences a substantial amount of snowfall in the colder months. The maximum snowfall is recorded in January with 8.07" (205mm) while the minimum is in May with just about 0.71" (18mm). Concurrently, the number of snowy days also shifts between 12.1 in January and a minimal 0.2 in May.
The Best Time to Visit Waterville
Considering optimum weather conditions, including pleasant temperatures, lesser rainfall, and modest humidity, the ideal time to visit Waterville is from June to August. During these months, the maximum temperature hovers around 69.6°F (20.9°C) to 77°F (25°C) and the minimum from 50.4°F (10.2°C) to 56.8°F (13.8°C), resulting in comfortable weather for outdoor activities.The Worst Time to Visit Waterville
Travelers may want to avoid Waterville during the coldest months between December and February, when the temperature plummets down to 11.7°F (-11.3°C) to 20.1°F (-6.6°C) minimum and 25.3°F (-3.7°C) to 31.6°F (-0.2°C) maximum. These months also witness substantial snowfall—approximately 6.77" (172mm) and 8.07" (205mm) respectively in December and January—further limiting outdoor activities.Spring Weather in Waterville
Spring in Waterville is characterized by a gradual increase in temperature from a cool 36.3°F (2.4°C) in March to a more comfortable 63°F (17.2°C) in May. Rainfall ranges from 2.17" (55mm) in March to a peak of 3.03" (77mm) in April, whereas the snowfall subsides significantly from 5.98" (152mm) in March to just 0.71" (18mm) in May.Summer Weather in Waterville
Summers in Waterville are warm with temperatures fluctuating between a maximum of 69.6°F (20.9°C) in June to 77°F (25°C) in July and August, and a minimum temperature from 50.4°F (10.2°C) in June to 56.8°F (13.8°C) in July. Despite the heat, the town experiences a considerable amount of rain with rainfall peaking to 2.76" (70mm) in June.Autumn Weather in Waterville
Autumn in the city of Waterville witnesses a significant drop in temperatures, from a high of 68.9°F (20.5°C) in September to a cooler 43.2°F (6.2°C) by November. Concurrently, the minimum temperature decreases from 48.9°F (9.4°C) to 29.7°F (-1.3°C) over the same period. Rainfall is moderately high in this season with 2.91" (74mm) observed in October.Winter Weather in Waterville
Winter is distinctly cold in Waterville. The maximum temperature dips from 55.9°F (13.3°C) in December to 25.3°F (-3.7°C) in January, while the minimum temperature ranges from 31.6°F (-0.2°C) to 13.1°F (-10.5°C) respectively over the same period. Snowfall peaks in January with approximately 8.07" (205mm), supporting winter sports such as skiing and snowboarding.Weather in January
The weather in Waterville, Maine is fierce in January with low temperatures and significant snowfall. January temperatures oscillate from 11.7°F (-11.3°C) to 25.3°F (-3.7°C), with the lowest temperatures occurring in this month. Weather in January »Weather in February
Winter reigns supreme in Waterville during February. Albeit marginally higher than January, temperatures in February fluctuate between 13.1°F (-10.5°C) and 27.9°F (-2.3°C), making it the second coldest month in Waterville. Weather in February »Weather in March
March signals the onset of spring and a break from the severe winter cold in Waterville. Temperatures disproportionally leap in March, varying from 21.2°F (-6°C) to 36.3°F (2.4°C), thus bringing a sense of relief to the local populace. Weather in March »Weather in April
April in Waterville brings considerable improvements in weather conditions. Indeed, a significant upward transition in temperature is apparent with values stretching from 32.9°F (0.5°C) to 49.8°F (9.9°C). As warmth begins to fill the air, snowfall becomes almost non-existent compared to March, making room for rain showers. Weather in April »Weather in May
May is a delightful month to be in Waterville, offering a perfect blend of warmth and precipitation. The mercury column in the thermometer stretches from 43°F (6.1°C) to 63°F (17.2°C) throughout May, making it the transition period from cool to warmer months. Weather in May »Weather in June
June welcomes summer in Waterville with increasing warmth and extended daylight hours. Temperatures range from 50.4°F (10.2°C) to 69.6°F (20.9°C) across June, marking an increase from the relatively cooler month of May. The transition from June to July retains the warmth and adds to the humidity making early summers hot. Weather in June »Weather in July
July is the peak of summer in Waterville, with the highest temperatures and maximum sunlight hours. It is the hottest month with temperatures varying between 56.8°F (13.8°C) and 77°F (25°C). Compared to June, July experiences slightly lower rainfall and a further escalation in temperature, making it appear drier. Weather in July »Weather in August
August continues the summer rhythm but with a slightly mellower tone in Waterville. August's temperature varies from 55.4°F (13°C) to 76.5°F (24.7°C), making it a warm month but not as hot as July. Transferring to September, residents notice a sizeable drop in temperature coupled with a decrease in daylight hours. Weather in August »Weather in September
September in Waterville signifies the advent of fall as temperatures start to dwindle. The heat from August significantly subsides as temperatures range from 48.9°F (9.4°C) to 68.9°F (20.5°C). The shift from September to October witnesses a reduction in temperature, daylight hours, and sunshine hours. Weather in September »Weather in October
October in Waterville offers a true taste of fall with further reduction in temperature and shorter days. October's temperature spectrum spans from 40.3°F (4.6°C) to 55.9°F (13.3°C), showing a decrease from September's milder conditions. Weather in October »Weather in November
November is the precursor to Waterville's winter, bearing witness to the lowest temperatures since April. The mercury ranges between 29.7°F (-1.3°C) and 43.2°F (6.2°C) throughout November, a considerable dip from October. As November ushers in December, daylight hours shorten, the cold escalates, and the city begins to experience snowfall. Weather in November »Weather in December
December in Waterville is in the throes of winter, with low temperatures, short days and frequent snowfall. The temperature fluctuations in December range from 20.1°F (-6.6°C) to 31.6°F (-0.2°C), marking it as the third coldest month. Weather in December »Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January brings the lowest temperatures, with an average high of 25.3°F (-3.7°C) and an average low of 11.7°F (-11.3°C).
In Waterville, during the entire year, the rain falls for 140.4 days and collects up to 28.35" (720mm) of precipitation.
January through May, October through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 12.1 days and accumulates 8.07" (205mm) of snow.
Throughout the year, there are 55.2 snowfall days, and 37.83" (961mm) of snow is accumulated.
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
February and March, with an average relative humidity of 85%, are most humid months.
The month with the least sunshine is February, with an average of 4.3h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
April and November, with an average relative humidity of 78%, are the least humid months in Waterville.
The month with the most rainfall is April, when the rain falls for 15.1 days and typically aggregates up to 3.03" (77mm) of precipitation.
June through September are months without snowfall.
The month with the longest days is June, with an average of 15h and 30min of daylight.
The months with the highest UV index in Waterville are June through August, with an average maximum UV index of 5.
July is the month when Waterville's temperatures reach their peak, with averages of 77°F (25°C) and lows of 56.8°F (13.8°C).
With an average of 9.8h of sunshine, August has the most sunshine of the year.
September is the month with the least rainfall in Waterville. Rain falls for 9.7 days and accumulates 1.54" (39mm) of precipitation.
With an average of 8h and 54min of daylight, December has the shortest days of the year.
Average temperature
Waterville, ME
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (25.3°F).
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure
Waterville, ME
- Average pressure in January:
29.97"Hg - Average pressure in February:
29.96"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.98"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:
30.04"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.01"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Waterville, ME
- Average wind speed in January:
7.6mph - Average wind speed in February:
7.9mph - Average wind speed in March:
8mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Waterville, ME
The months with the highest relative humidity are February and March (85%).
The months with the lowest relative humidity are April and November (78%).
Average rainfall
Waterville, ME
- Average rainfall in January:
2.17" - Average rainfall in February:
2.05" - Average rainfall in March:
2.17" - Average rainfall in April:
3.03" - Average rainfall in May:
2.24" - Average rainfall in June:
2.76"
- Average rainfall in July:
1.73" - Average rainfall in August:
2.2" - Average rainfall in September:
1.54" - Average rainfall in October:
2.91" - Average rainfall in November:
2.64" - Average rainfall in December:
2.91"
The wettest month (with the highest rainfall) is April (3.03").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days
Waterville, ME
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
14.9 days - Average rainfall days in August:
13.5 days - Average rainfall days in September:
9.7 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (5.6 days).
Average snowfall
Waterville, ME
- Average snowfall in January:
8.07" - Average snowfall in February:
7.87" - Average snowfall in March:
5.98" - Average snowfall in April:
5.04" - Average snowfall in May:
0.71" - Average snowfall in June:
0"
The month with the highest snowfall is January (8.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Waterville, ME
- Average snowfall days in January:
12.1 days - Average snowfall days in February:
12 days - Average snowfall days in March:
11.2 days - Average snowfall days in April:
4.6 days - Average snowfall days in May:
0.2 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:
0.5 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
10.1 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Waterville, ME
- Average daylight in January:
9h and 18min - 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 48min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
4h and 48min - Average sunshine in February:
4h and 18min - Average sunshine in March:
5h and 12min - Average sunshine in April:
7h and 0min - Average sunshine in May:
7h and 36min - Average sunshine in June:
8h and 24min
- Average sunshine in July:
9h and 24min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 6min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days
Waterville, ME
- Average sunshine days in January:
16.5 days - Average sunshine days in February:
12.6 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
12.6 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
15 days - Average sunshine days in September:
17.7 days - Average sunshine days in October:
15.6 days - Average sunshine days in November:
17 days - Average sunshine days in December:
14.4 days
The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is April (11.5 days).
Average UV index
Waterville, ME
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover
Waterville, ME
The months with the most cloud cover are February, March and April (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 40).
Average visibility
Waterville, ME
The months with the highest visibility are November and December (6mi).
The month with the lowest visibility is August (4mi).
