South Thomaston
Maine, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
South Thomaston, ME

January, like December, is a freezing cold winter month in South Thomaston, Maine, with average temperature ranging between max 31.8°F (-0.1°C) and min 22.1°F (-5.5°C). The coldest month is January, 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 »

February, the last month of the winter, in South Thomaston, is a wintry month, with average temperature fluctuating between 23.2°F (-4.9°C) and 32.7°F (0.4°C). In South Thomaston, Maine, the average high-temperature is almost the same as in January - a cold 32.7°F (0.4°C). Weather in February »

The first month of the spring, March, is also a wintry month in South Thomaston, Maine, with average temperature fluctuating between 28.8°F (-1.8°C) and 37.6°F (3.1°C). In March, the average high-temperature is practically the same as in February - a still cold 37.6°F (3.1°C). Weather in March »

April in South Thomaston, Maine, is a chilly spring month, with average temperature varying between 37.8°F (3.2°C) and 45.9°F (7.7°C). In April, the average high-temperature slightly increases, from a wintry 37.6°F (3.1°C) in March, to a chilly 45.9°F (7.7°C). Weather in April »

The last month of the spring, May, is a fresh month in South Thomaston, Maine, with average temperature fluctuating between 54.1°F (12.3°C) and 46.2°F (7.9°C). In South Thomaston, the average high-temperature marginally rises, from a chilly 45.9°F (7.7°C) in April, to a fresh 54.1°F (12.3°C). Weather in May »

June, the first month of the summer, in South Thomaston, is an enjoyable month, with average temperature varying between 61.2°F (16.2°C) and 53.2°F (11.8°C). In June, the average high-temperature marginally rises, from a fresh 54.1°F (12.3°C) in May, to an enjoyable 61.2°F (16.2°C). Weather in June »

July, the same as June, is another comfortable 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). In South Thomaston, Maine, the average high-temperature slightly increases, from 61.2°F (16.2°C) in June, to a still comfortable 67.8°F (19.9°C). Weather in July »

August, the last month of the summer, in South Thomaston, is an agreeable month, with average temperature fluctuating between 68.7°F (20.4°C) and 60.6°F (15.9°C). August is the warmest month, with an average high-temperature of 68.7°F (20.4°C) and an average low-temperature of 60.6°F (15.9°C). Weather in August »

The first month of the autumn, September, is also an enjoyable month in South Thomaston, Maine, with average temperature ranging between min 55.6°F (13.1°C) and max 63.3°F (17.4°C). In September, the average high-temperature slightly decreases, from an agreeable 68.7°F (20.4°C) in August, to an enjoyable 63.3°F (17.4°C). Weather in September »

October, like September, in South Thomaston, Maine, is another fresh autumn month, with average temperature fluctuating between 55°F (12.8°C) and 47.5°F (8.6°C). In South Thomaston, the average high-temperature slightly decreases, from a comfortable 63.3°F (17.4°C) in September, to a cool 55°F (12.8°C). Weather in October »

November, the last month of the autumn, in South Thomaston, is also a frosty month, with average temperature varying between 45.5°F (7.5°C) and 37.4°F (3°C). In South Thomaston, the average high-temperature in November decreases, from a cool 55°F (12.8°C) in October, to a frosty 45.5°F (7.5°C). Weather in November »

The first month of the winter, December, is also a wintry month in South Thomaston, Maine, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 28.4°F (-2°C). In December, the average high-temperature slightly decreases, from a frosty 45.5°F (7.5°C) in November, to a cold 37°F (2.8°C). Weather in December »

What is the coldest month in South Thomaston?

January is the coldest month in South Thomaston, Maine, with an average high-temperature of 31.8°F (-0.1°C) and an average low-temperature of 22.1°F (-5.5°C).

How many days does it rain in South Thomaston?

In South Thomaston, Maine, during the entire year, the rain falls for 144.8 days and collects up to 30.63" (778mm) of precipitation.

When does it snow in South Thomaston?

January through April, November and December are months with snowfall in South Thomaston, Maine.

How many days does it snow in South Thomaston?

Throughout the year, in South Thomaston, there are 33.1 snowfall days, and 12.36" (314mm) of snow is accumulated.

When does it snow the most in South Thomaston?

January is the month with the most snowfall. Snow falls for 8.5 days and accumulates 2.83" (72mm) of snow.

What is the month with the lowest UV index in South Thomaston?

Months with the lowest UV index in South Thomaston, Maine, are January through March, November and December, with an average maximum UV index of 2.

What is the month with the coldest ocean in South Thomaston?

March is the month with the coldest seawater in South Thomaston, with an average ocean temperature of 37.9°F (3.3°C).

When it does not snow in South Thomaston?

May through October are months without snowfall in South Thomaston, Maine.

When are the longest days in South Thomaston?

June has the longest days of the year, with an average of 15.4h of daylight.

What is the month with the highest UV index in South Thomaston?

June through August, with an average maximum UV index of 5, are months with the highest UV index in South Thomaston, Maine.

What is the most humid month in South Thomaston?

July is the most humid month, with an average relative humidity of 85%.

What is the warmest month in South Thomaston?

The warmest month in South Thomaston is August, with an average high-temperature of 68.7°F (20.4°C) and an average low-temperature of 60.6°F (15.9°C).

When is the ocean warmest in South Thomaston?

The month with the warmest seawater in South Thomaston, Maine, is August, with an average ocean temperature of 60.4°F (15.8°C).

What month has the most sunshine in South Thomaston?

The month with the most sunshine is August, with an average of 10.5h of sunshine.

What is the driest month in South Thomaston?

September is the month with the least rainfall. Rain falls for 10.4 days and accumulates 1.81" (46mm) of precipitation.

What is the least humid month in South Thomaston?

With an average relative humidity of 75%, November is the least humid month in South Thomaston, Maine.

What is the wettest month in South Thomaston?

December is the month with the most rainfall in South Thomaston. Rain falls for 11.3 days and accumulates 3.35" (85mm) of precipitation.

What is the month with the shortest days in South Thomaston?

December has the shortest days of the year in South Thomaston, with an average of 8.9h of daylight.

What is the month with the least sunshine in South Thomaston?

With an average of 4.5h of sunshine, December has the least sunshine of the year in South Thomaston.
Average temperature - South Thomaston, ME
Average humidity - South Thomaston, ME
Average rainfall - South Thomaston, ME

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the lowest rainfall) is September (1.81").

Average rainfall days - South Thomaston, ME

The month with the highest number of rainy days is April (15.8 days).
The month with the lowest number of rainy days is January (7.9 days).

Average snowfall - South Thomaston, ME

The month with the highest snowfall is January (2.83").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days - South Thomaston, ME

The month with the highest number of snowfall days is January (8.5 days).
Months with the lowest number of 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 UV index - South Thomaston, ME