Climate and monthly weather forecast
Southport, ME

Weather in January

January, the same as December, in Southport, Maine, is a freezing cold winter month, with temperature in the range of an average low of 18.9°F (-7.3°C) and an average high of 29.7°F (-1.3°C). January is the coldest month, with an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 18.9°F (-7.3°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Southport, Maine, with temperature in the range of an average low of 19.9°F (-6.7°C) and an average high of 31.5°F (-0.3°C). In February, the average high-temperature is essentially the same as in January - a still freezing cold 31.5°F (-0.3°C). Weather in February »

Weather in March

March, the first month of the spring in Southport, is a wintry month, with an average temperature varying between 26.6°F (-3°C) and 37.9°F (3.3°C). In Southport, Maine, the average high-temperature in March marginally rises from a freezing cold 31.5°F (-0.3°C) in February to a cold 37.9°F (3.3°C). Weather in March »

Weather in April

April in Southport, Maine, is a frosty spring month, with temperature in the range of an average high of 48.9°F (9.4°C) and an average low of 36.9°F (2.7°C). In Southport, the average high-temperature in April increases from a wintry 37.9°F (3.3°C) in March to a frosty 48.9°F (9.4°C). Weather in April »

Weather in May

May, the last month of the spring in Southport, is a mild month, with an average temperature ranging between min 46°F (7.8°C) and max 58.6°F (14.8°C). In Southport, the average high-temperature in May increases from a chilly 48.9°F (9.4°C) in April to a mild 58.6°F (14.8°C). Weather in May »

Weather in June

The first month of the summer, June, is an enjoyable month in Southport, Maine, with an average temperature varying between 53.2°F (11.8°C) and 66.2°F (19°C). In June, the average high-temperature slightly increases from a mild 58.6°F (14.8°C) in May to a comfortable 66.2°F (19°C). Weather in June »

Weather in July

July in Southport, Maine, is an agreeable summer month, with an average temperature varying between 60.4°F (15.8°C) and 73.2°F (22.9°C). In Southport, the average high-temperature in July marginally rises from an enjoyable 66.2°F (19°C) in June to an agreeable 73.2°F (22.9°C). Weather in July »

Weather in August

August, the last month of the summer in Southport, is a moderately hot month, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 59.7°F (15.4°C). The warmest month is August, with an average high-temperature of 73.4°F (23°C) and an average low-temperature of 59.7°F (15.4°C). Weather in August »

Weather in September

September, the first month of the autumn in Southport, is still a comfortable month, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 67.1°F (19.5°C). In September, the average high-temperature marginally drops from a moderately hot 73.4°F (23°C) in August to a comfortable 67.1°F (19.5°C). Weather in September »

Weather in October

October, the same as September, in Southport, Maine, is a moderate autumn month, with an average temperature ranging between min 45.5°F (7.5°C) and max 56.3°F (13.5°C). In Southport, Maine, the average high-temperature in October drops from an enjoyable 67.1°F (19.5°C) in September to a moderate 56.3°F (13.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Southport, is another chilly month, with an average temperature ranging between max 45.5°F (7.5°C) and min 35.2°F (1.8°C). In November, the average high-temperature decreases from a moderate 56.3°F (13.5°C) in October to a frosty 45.5°F (7.5°C). Weather in November »

Weather in December

December, the first month of the winter in Southport, is also a wintry month, with temperature in the range of an average high of 35.2°F (1.8°C) and an average low of 26.2°F (-3.2°C). In Southport, the average high-temperature in December decreases from a chilly 45.5°F (7.5°C) in November to a wintry 35.2°F (1.8°C). Weather in December »
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FAQ

What is the coldest month in Southport?

The coldest month in Southport is January, with an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 18.9°F (-7.3°C).

How many days does it rain in Southport?

In Southport, during the entire year, the rain falls for 147.2 days and collects up to 31.34" (796mm) of precipitation.

When does it snow in Southport?

January through May, October through December are months with snowfall.

What is the snowiest month in Southport?

January is the month with the most snowfall in Southport, Maine. Snow falls for 10.1 days and accumulates 4.53" (115mm) of snow.

How much does it snow in Southport?

In Southport, during the entire year, snow falls for 40.2 days and aggregates up to 18.82" (478mm) of snow.

What is the month with the lowest UV index in Southport?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What are the months with the least sunshine in Southport?

February and December, with an average of 4.6h of sunshine, are months with the least sunshine.

When is Daylight Saving Time (DST) in Southport?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Southport, Maine, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What is the most humid month in Southport?

The most humid month in Southport is June, with an average relative humidity of 83%.

When it does not snow in Southport?

In Southport, Maine, snow does not fall in June through September.

When are the longest days in Southport?

June has the longest days of the year, with an average of 15h and 25min of daylight.

What is the month with the highest UV index in Southport?

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

What is the warmest month in Southport?

With an average high-temperature of 73.4°F (23°C) and an average low-temperature of 59.7°F (15.4°C), August is the warmest month.

What month has the most sunshine in Southport?

With an average of 10.4h of sunshine, August has the most sunshine of the year in Southport, Maine.

What is the driest month in Southport?

The month with the least rainfall in Southport is September, when the rain falls for 11.2 days and typically collects 1.65" (42mm) of precipitation.

What is the rainiest month in Southport?

The months with the most rainfall are October and December, with an average 3.5" (89mm) of precipitation.

What is the least humid month in Southport?

The least humid month is November, with an average relative humidity of 75%.

What is the month with the shortest days in Southport?

With an average of 8h and 59min of daylight, December has the shortest days of the year in Southport.

Average temperature
Southport, ME

Average temperature - Southport, 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).

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Average pressure
Southport, ME

Average pressure - Southport, ME

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).

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Average wind speed
Southport, ME

Average wind speed - Southport, ME

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).

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Average rainfall
Southport, ME

Average rainfall - Southport, ME

The wettest months (with the highest rainfall) are October and December (3.5").
The driest month (with the least rainfall) is September (1.65").

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Average rainfall days
Southport, ME

Average rainfall days - Southport, ME

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).

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Average snowfall
Southport, ME

Average snowfall - Southport, ME

The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Southport, ME

Average snowfall days - Southport, ME

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).

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Average daylight / Average sunshine
Southport, ME

Average daylight / Average sunshine - Southport, ME

The month with the longest days is June (Average daylight: 15h and 25min).
The month with the shortest days is December (Average daylight: 8h and 59min).

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).

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Average sunshine days
Southport, ME

Average sunshine days - Southport, ME

The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is April (11.9 days).

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Average UV index
Southport, ME

Average UV index - Southport, 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).

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Average visibility
Southport, ME

Average visibility - Southport, 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).

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