Climate and monthly weather forecastBath, ME
Climate and monthly weather forecast
The climate of Bath
Designated with the classification of 'Humid continental, no dry season, warm summer' or simply 'Dfb' according to the widely accepted Köppen climate classification, Bath, Maine, USA lies in an intriguing climatic zone. Stressing on the overall climate, Bath experiences significant seasonal variation in temperature, with monthly average high temperatures ranging from 29.7°F (-1.3°C) in January to 73.4°F (23°C) in August. Contrarily, the average low temperatures range from 18.9°F (-7.3°C) to 60.4°F (15.8°C) during the same period.Despite its continental nature, average monthly relative humidity in Bath hovers around 78% to 83%. Moreover, rainfall is scattered relatively evenly throughout the year in Bath, although totals fluctuate somewhat, ranging from 1.65" (42mm) in September to 3.5" (89mm) in October and December. It is compelling to note that snowfall also contributes considerably to Bath’s precipitation totals in the chillier months, with January witnessing 4.53" (115mm) and December getting 3.39" (86mm).
The daylight hours in Bath oscillate between 9 and 15.4 hours, while average monthly sunshine hours teeter between a low of 4.6 hours in February and a generous high of 10.4 hours in August. Bath also experiences fluctuating wind speeds across the year, with the maximum average monthly wind speed being 11.1mph (17.9km/h) in January, while the lowest is 6.8mph (10.9km/h) in August.
The best time to visit Bath
Generally, June to August can be considered the most pleasant months to visit Bath. Specifically, August has the highest average temperature, 73.4°F (23°C), and one of the longest daylight periods, 13.9 hours. Additionally, it experiences the second-highest average sunshine hours, 10.4 hours, making it ideal for outdoor activities and sightseeing.The worst time to visit Bath
Visitors might want to avoid scheduling their trips to Bath from December to February. These months are the coldest with the average high temperatures only between 29.7°F (-1.3°C) and 37.9°F (3.3°C). The city also sees a considerable amount of snowfall during these months, making outdoor activities challenging. The average daylight hours are also the shortest around this period, fluctuating between 9 and 10.5 hours.Spring weather in Bath
Beginning from March, Spring arrives in Bath bringing along a noticeable increase in temperatures from an average low of 26.6°F (-3°C) to an average high of 58.6°F (14.8°C) by May. Despite the gradually warming temperatures, the season witnesses a relatively high rainfall with April experiencing the highest rainfall in the year, 3.03" (77mm).Summer weather in Bath
Summers in Bath are typically mild and agreeable with temperatures averaging from a high of 66.2°F (19°C) in June up to 73.4°F (23°C) in August. This is the time when Bath witness the highest average sunshine hours, maximizing at 10.4 hours in August. Rainfall during this period is moderate, with July experiencing the least rainfall of the year, 1.93" (49mm).Autumn weather in Bath
During the transition from Summer to Winter, Bath experiences a dip in temperatures, with an average high of 67.1°F (19.5°C) in September down to 45.5°F (7.5°C) by November. The season also sees a significant increase in rainfall with October receiving the highest rainfall of 3.5" (89mm).Winter weather in Bath
Winters in Bath are quite frigid with temperatures hovering between an average high of 37.9°F (3.3°C) in December and average low of 18.9°F (-7.3°C) in January. The chilly conditions are further intensified by substantial snowfall, rendering it unsuitable for outdoor activities. Moreover, the city sees the shortest daylight hours, only 9 hours in December and January.Weather in January
Bath, Maine, commences the year with quite chilly conditions. A significant fluctuation in temperatures characterize the month, with an observed high of 29.7°F (-1.3°C) and a low reaching 18.9°F (-7.3°C), making layered clothing a common necessity among residents. Weather in January »Weather in February
Following January's wintry conditions, February shows minute improvements in temperatures. The snowfall begins to gradually decrease, making way for increased rainfall. The town transitions to accommodate this precipitation shift, showing no signs of early spring. Weather in February »Weather in March
The first month of the spring, March, is a cold month in Bath, Maine, with an average temperature ranging between min 26.6°F (-3°C) and max 37.9°F (3.3°C). Bath in March experiences a slight uptick in the average high-temperature, adjusting from February's freezing cold 31.5°F (-0.3°C) to a cold 37.9°F (3.3°C). Weather in March »Weather in April
April serves as a bridge between the dull winter and crispy spring in Bath, Maine. A considerable jump to an average high temperature of 48.9°F (9.4°C) marks the transition into warmer weather. With the arrival of spring, rainfall becomes the primary form of precipitation, replenishing the town's flora. Weather in April »Weather in May
May in Bath, Maine, holds the full bloom of spring. Delightful warm weather dominates as temperatures continue to escalate. The reduced pressure levels and absence of snowfall affirm the complete transition into the warmer months. May's rainfall contributing richly to the growth and vibrancy of nature. Weather in May »Weather in June
Summer officially arrives in Bath, Maine, with June's warm temperatures and extended sunshine hours. With the high temperature reaching up to 66.2°F (19°C), residents enjoy the mild conditions of early summer. The flourishing green landscapes and blue skies reflect June’s characteristic weather. Weather in June »Weather in July
Being the warmest month of the year, July in Bath, Maine, showcases peak summer conditions. A distinct rise in temperature, peaking at 73.2°F (22.9°C), enables residents to fully engage in summer activities. Despite the infrequent rainfalls, high humidity levels persist, maintaining a moist atmosphere. Weather in July »Weather in August
August in Bath, Maine, continues the summer streak with hot temperatures, similar to July. Lower wind speeds yet humid conditions seem to slow the pace of town, encouraging residents to seek cooler indoor retreats. The town bathes in abundant sunshine, highlighted by soaring UV indices. Weather in August »Weather in September
September in Bath, Maine, commences the fall season with a gradual dip in temperatures. The decrease in humidity and cooler winds bring a crisp freshness to the air. The town begins to resemble an artist's palette with colorful leaves marking the start of the fall season. Weather in September »Weather in October
In October, Bath, Maine, fully embraces the fall season. Striking hues of fall foliage beautifully contrast the cooling temperatures, with a high of 56.3°F (13.5°C). Light breezes carry falling leaves through the town, adding to its autumnal charm. Weather in October »Weather in November
November marks the onset of wintry conditions in Bath, Maine. With the high temperature dropping to 45.5°F (7.5°C), it's a notably cooler month compared to October. The town braces itself for the winter chill, with vibrant fall scenery gradually succumbing to the snowy landscapes. Weather in November »Weather in December
Concluding the year, December in Bath, Maine, greets residents with winter's full force. Subzero temperatures become the norm as snowfall increases, blanketing the town in white layers. Amid the cold, the high humidity level maintains a sense of moisture in the air. Weather in December »Updated: Aug 24, 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
Bath, Maine, experiences its average lowest temperatures in January, reaching a peak of 29.7°F (-1.3°C) and a minimum of 18.9°F (-7.3°C).
In Bath, during the entire year, the rain falls for 147.2 days and collects up to 31.34" (796mm) of precipitation.
January through May, October through December are months with snowfall.
The month with the most snowfall is January, when snow falls for 10.1 days and typically aggregates up to 4.53" (115mm) of snow.
Throughout the year, there are 40.2 snowfall days, and 18.82" (478mm) of snow is accumulated.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
February and December, with an average of 4.6h of sunshine, are months with the least 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.
The most humid month is June, with an average relative humidity of 83%.
In Bath, snow does not fall in June through September.
With an average of 15h and 24min of daylight, June has the longest days of the year.
The months with the highest UV index are June through August, with an average maximum UV index of 5.
Bath's warmest weather arrives in August, when temperatures average a high of 73.4°F (23°C) and a low of 59.7°F (15.4°C).
August has the most sunshine of the year, with an average of 10.4h of sunshine.
September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 1.65" (42mm) of precipitation.
The wettest months are October and December, with an average 3.5" (89mm) of rainfall.
The least humid month is November, with an average relative humidity of 75%.
The month with the shortest days is December, with an average of 9h and 0min of daylight.
Average temperature
Bath, ME
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Bath, 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:
29.99"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:
30.04"Hg - Average pressure in October:
30"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
Bath, ME
- Average wind speed in January:
11.1mph - Average wind speed in February:
10.8mph - Average wind speed in March:
11mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
10.5mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity
Bath, ME
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is November (75%).
Average rainfall
Bath, ME
- Average rainfall in January:
2.44" - Average rainfall in February:
2.28" - Average rainfall in March:
2.48" - Average rainfall in April:
3.03" - Average rainfall in May:
2.28" - Average rainfall in June:
2.68"
The wettest months (with the highest rainfall) are October and December (3.5").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days
Bath, ME
- Average rainfall days in January:
7.2 days - Average rainfall days in February:
7.7 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
15 days - Average rainfall days in June:
14.4 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
11.3 days - Average rainfall days in December:
11.1 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is January (7.2 days).
Average snowfall
Bath, ME
- Average snowfall in January:
4.53" - Average snowfall in February:
4.29" - Average snowfall in March:
3.58" - Average snowfall in April:
1.46" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Bath, ME
- Average snowfall days in January:
10.1 days - Average snowfall days in February:
9.3 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
2.8 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:
0.2 days - Average snowfall days in November:
2.6 days - Average snowfall days in December:
6.8 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Bath, 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 48min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - 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 36min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 12min - Average sunshine in June:
8h and 48min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days
Bath, ME
- Average sunshine days in January:
16 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
14.2 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
15.8 days - Average sunshine days in December:
14.4 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is April (11.9 days).
Average UV index
Bath, 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, November and December (UV index 2).
Average cloud cover
Bath, 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
Bath, 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).
