Climate and monthly weather forecastSouth Thomaston, ME
Climate and monthly weather forecast
Weather in January
January, the same as December, in South Thomaston, Maine, is another subzero cold winter month, with an average temperature fluctuating between 31.8°F (-0.1°C) and 22.1°F (-5.5°C). January is the coldest month, with an average high-temperature of 31.8°F (-0.1°C) and an average low-temperature of 22.1°F (-5.5°C). Weather in January »Weather in February
February, the last month of the winter in South Thomaston, is an icy month, with an average temperature fluctuating between 32.7°F (0.4°C) and 23.2°F (-4.9°C). Transitioning from January to February, South Thomaston observes an average high-temperature of an icy 32.7°F (0.4°C), differing subtly from the previous month. Weather in February »Weather in March
The first month of the spring, March, is also an icy month in South Thomaston, Maine, with an average temperature varying between 28.8°F (-1.8°C) and 37.6°F (3.1°C). The arrival of March sees a recorded average high-temperature of a still wintry 37.6°F (3.1°C), showing little divergence from the previous month's conditions. Weather in March »Weather in April
April is a chilly spring month in South Thomaston, Maine, with temperature in the range of an average low of 37.8°F (3.2°C) and an average high of 45.9°F (7.7°C). As April sets, the average high-temperature shows a slight increase, moving up from a wintry 37.6°F (3.1°C) in March to a chilly 45.9°F (7.7°C). Weather in April »Weather in May
The last month of the spring, May, is a fresh month in South Thomaston, Maine, with an average temperature fluctuating between 46.2°F (7.9°C) and 54.1°F (12.3°C). The onset of May brings a minor temperature shift, with the average high-temperature moving from a chilly 45.9°F (7.7°C) in April to a cool 54.1°F (12.3°C). Weather in May »Weather in June
The first month of the summer, June, is a comfortable month in South Thomaston, Maine, with an average temperature varying between 53.2°F (11.8°C) and 61.2°F (16.2°C). The shift into June brings a slight increase in the average high-temperature, moving from a cool 54.1°F (12.3°C) in May to an enjoyable 61.2°F (16.2°C). Weather in June »Weather in July
July, the same as June, is another refreshing summer month in South Thomaston, Maine, with temperature in the range of an average low of 60.3°F (15.7°C) and an average high of 67.8°F (19.9°C). July brings a slight elevation in the average high-temperature, transitioning from June's refreshing 61.2°F (16.2°C) to a still enjoyable 67.8°F (19.9°C). Weather in July »Weather in August
The last month of the summer, August, is a pleasant month in South Thomaston, Maine, with an average temperature ranging between min 60.6°F (15.9°C) and max 68.7°F (20.4°C). In South Thomaston, Maine, the month of August registers the highest temperatures, averaging 68.7°F (20.4°C) at the peak and 60.6°F (15.9°C) at the lowest. Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in South Thomaston, Maine, with an average temperature fluctuating between 55.6°F (13.1°C) and 63.3°F (17.4°C). September sees a slight reduction in average high-temperature, with a shift from an agreeable 68.7°F (20.4°C) in August to a refreshing 63.3°F (17.4°C). Weather in September »Weather in October
October, the same as September, is a cool autumn month in South Thomaston, Maine, with an average temperature ranging between min 47.5°F (8.6°C) and max 55°F (12.8°C). The start of October involves a subtle temperature drop, shifting from a comfortable 63.3°F (17.4°C) in September to a cool 55°F (12.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in South Thomaston, Maine, with an average temperature fluctuating between 45.5°F (7.5°C) and 37.4°F (3°C). November shows a mild decline in the average high-temperature, falling from October's fresh 55°F (12.8°C) to a chilly 45.5°F (7.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in South Thomaston, Maine, with an average temperature ranging between min 28.4°F (-2°C) and max 37°F (2.8°C). The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a chilly 45.5°F (7.5°C) to a cold 37°F (2.8°C). Weather in December »Updated: Feb 12, 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, characterized by an average high temperature of 31.8°F (-0.1°C) and a low temperature of 22.1°F (-5.5°C), is generally the coldest month in South Thomaston.
In South Thomaston, during the entire year, the rain falls for 144.8 days and collects up to 30.63" (778mm) of precipitation.
Months with snowfall in South Thomaston, Maine, are January through April, November and December.
The month with the most snowfall in South Thomaston, Maine, is January, when snow falls for 8.5 days and typically aggregates up to 2.83" (72mm) of snow.
Throughout the year, there are 33.1 snowfall days, and 12.36" (314mm) 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.
The month with the coldest seawater is March, with an average ocean temperature of 37.9°F (3.3°C).
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in South Thomaston, Maine, 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.
May through October are months without snowfall in South Thomaston, Maine.
With an average of 15h and 24min of daylight, June has the longest days of the year.
June through August, with an average maximum UV index of 5, are months with the highest UV index in South Thomaston, Maine.
July is the most humid month in South Thomaston, Maine, with an average relative humidity of 85%.
August, on average, is the warmest month in South Thomaston, registering a high temperature of 68.7°F (20.4°C) and a low of 60.6°F (15.9°C).
The month with the warmest seawater is August, with an average ocean temperature of 60.4°F (15.8°C).
The month with the most sunshine in South Thomaston, Maine, is August, with an average of 10.5h of sunshine.
September is the month with the least rainfall in South Thomaston, Maine. Rain falls for 10.4 days and accumulates 1.81" (46mm) of precipitation.
The least humid month is November, with an average relative humidity of 75%.
December is the month with the most rainfall. Rain falls for 11.3 days and accumulates 3.35" (85mm) of precipitation.
The month with the shortest days in South Thomaston, Maine, is December, with an average of 9h and 0min of daylight.
With an average of 4.5h of sunshine, December has the least sunshine of the year in South Thomaston, Maine.
Average temperature
South Thomaston, ME
The warmest month (with the highest average high temperature) is August (68.7°F).
The month with the lowest average high temperature is January (31.8°F).
The month with the highest average low temperature is August (60.6°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure
South Thomaston, ME
- Average pressure in January:
29.96"Hg - Average pressure in February:
29.95"Hg - Average pressure in March:
30"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:
29.99"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
South Thomaston, ME
- Average wind speed in January:
14.9mph - Average wind speed in February:
14.6mph - Average wind speed in March:
14.4mph - Average wind speed in April:
12.2mph - Average wind speed in May:
10mph - Average wind speed in June:
9.3mph
- Average wind speed in July:
8.2mph - Average wind speed in August:
8.2mph - Average wind speed in September:
9.6mph - Average wind speed in October:
12.1mph - Average wind speed in November:
13.5mph - Average wind speed in December:
14.4mph
The windiest month (with the highest average wind speed) is January (14.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.2mph).
Average humidity
South Thomaston, ME
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (75%).
Average rainfall
South Thomaston, ME
- Average rainfall in January:
2.6" - Average rainfall in February:
2.32" - Average rainfall in March:
2.24" - Average rainfall in April:
2.99" - Average rainfall in May:
2.36" - Average rainfall in June:
2.76"
- Average rainfall in July:
1.85" - Average rainfall in August:
1.97" - Average rainfall in September:
1.81" - Average rainfall in October:
3.27" - Average rainfall in November:
3.11" - Average rainfall in December:
3.35"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days
South Thomaston, ME
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
14.1 days - Average rainfall days in August:
12.1 days - Average rainfall days in September:
10.4 days - Average rainfall days in October:
13.3 days - Average rainfall days in November:
11.3 days - Average rainfall days in December:
11.3 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is January (7.9 days).
Average snowfall
South Thomaston, ME
The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
South Thomaston, ME
- Average snowfall days in January:
8.5 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
6.7 days - Average snowfall days in April:
2 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 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature
South Thomaston, ME
The best month for swimming (with the highest average sea temperature) is August (60.4°F).
The coldest month (with the lowest average sea temperature) is March (37.8°F).
Average daylight / Average sunshine
South Thomaston, 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 24min
- Average daylight in July:
15h and 6min - 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:
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:
4h and 54min - Average sunshine in February:
4h and 36min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 6min - Average sunshine in June:
8h and 48min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
10h and 30min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 24min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days
South Thomaston, ME
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
11.8 days - Average sunshine days in March:
13.4 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
14 days
- Average sunshine days in July:
14.9 days - Average sunshine days in August:
16.9 days - Average sunshine days in September:
18 days - Average sunshine days in October:
15.6 days - Average sunshine days in November:
15.8 days - Average sunshine days in December:
12.3 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is April (11.5 days).
Average UV index
South Thomaston, 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
South Thomaston, ME
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
South Thomaston, 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).
