Climate and monthly weather forecastSouthport, ME
Climate and monthly weather forecast
Weather in January
January, the same as December, in Southport, Maine, is another subzero cold winter month, with an average temperature ranging between max 29.7°F (-1.3°C) and min 18.9°F (-7.3°C). Southport's temperature records reveal January as the coldest month, marked by average highs of 29.7°F (-1.3°C) and lows of 18.9°F (-7.3°C). Weather in January »Weather in February
February, the last month of the winter in Southport, is also a subzero cold month, with an average temperature ranging between min 19.9°F (-6.7°C) and max 31.5°F (-0.3°C). The transition into February shows a subtle variation to a still subzero cold 31.5°F (-0.3°C) from January's 29.7°F (-1.3°C) in the average high-temperature. Weather in February »Weather in March
The first month of the spring, March, is an icy month in Southport, Maine, with temperature in the range of an average high of 37.9°F (3.3°C) and an average low of 26.6°F (-3°C). The shift into March is characterized by a subtle rise in the average high-temperature, transitioning from February's freezing cold 31.5°F (-0.3°C) to an icy 37.9°F (3.3°C). Weather in March »Weather in April
April is a frosty spring month in Southport, Maine, with an average temperature ranging between min 36.9°F (2.7°C) and max 48.9°F (9.4°C). April's arrival brings a temperature shift, moving from an icy 37.9°F (3.3°C) in March to a chilly 48.9°F (9.4°C). Weather in April »Weather in May
May, the last month of the spring in Southport, is a moderate month, with an average temperature ranging between max 58.6°F (14.8°C) and min 46°F (7.8°C). May shows a rise in the average high-temperature, moving from April's chilly 48.9°F (9.4°C) to a refreshing 58.6°F (14.8°C). Weather in May »Weather in June
June, the first month of the summer in Southport, is an enjoyable month, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 66.2°F (19°C). Southport's weather shows a minor temperature rise with the arrival of June, moving from 58.6°F (14.8°C) in May to a still refreshing 66.2°F (19°C). Weather in June »Weather in July
July in Southport, Maine, is a pleasant summer month, with an average temperature varying between 73.2°F (22.9°C) and 60.4°F (15.8°C). The shift from June to July introduces a subtle increase in the average high-temperature, moving from an enjoyable 66.2°F (19°C) 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 low of 59.7°F (15.4°C) and an average high of 73.4°F (23°C). August, on average, is the warmest month, registering a high temperature of 73.4°F (23°C) and a low of 59.7°F (15.4°C). Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in Southport, Maine, with an average temperature ranging between min 54.1°F (12.3°C) and max 67.1°F (19.5°C). The onset of September entails a subtle temperature shift, as the average high-temperature eases from a moderately hot 73.4°F (23°C) in August to an enjoyable 67.1°F (19.5°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Southport, Maine, with temperature in the range of an average high of 56.3°F (13.5°C) and an average low of 45.5°F (7.5°C). The start of October comes with a reduction in the average high-temperature, receding from an enjoyable 67.1°F (19.5°C) in September to a still refreshing 56.3°F (13.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Southport, Maine, with an average temperature ranging between min 35.2°F (1.8°C) and max 45.5°F (7.5°C). The onset of November entails a temperature shift, as the average high-temperature decreases from a moderate 56.3°F (13.5°C) in October to a chilly 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). The onset of December is marked by a decrease in temperature, transitioning from a frosty 45.5°F (7.5°C) in November to a wintry 35.2°F (1.8°C). Weather in December »Updated: Jul 15, 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
The coldest month 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).
Throughout the year, in Southport, there are 147.2 rainfall days, and 31.34" (796mm) of precipitation is accumulated.
January through May, October through December are months with snowfall in Southport.
January is the month with the most snowfall. Snow falls for 10.1 days and accumulates 4.53" (115mm) of snow.
In Southport, during the entire year, snow falls for 40.2 days and aggregates up to 18.82" (478mm) of snow.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
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 Southport, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 24min of daylight.
June through August, with an average maximum UV index of 5, are months with the highest UV index.
August is the month when Southport experiences its warmest temperatures, averaging a high of 73.4°F (23°C) and a low of 59.7°F (15.4°C).
The month with the most sunshine is August, with an average of 10.4h of sunshine.
The month with the least rainfall is September, when the rain falls for 11.2 days and typically collects 1.65" (42mm) of precipitation.
The wettest months are October and December, with an average 3.5" (89mm) of rainfall.
November is the least humid month, with an average relative humidity of 75%.
December has the shortest days of the year, with an average of 9h and 0min of daylight.
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).
Average pressure
Southport, 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
Southport, 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
Southport, ME
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is November (75%).
Average rainfall
Southport, 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
Southport, 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
Southport, 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
Southport, 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
Southport, 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
Southport, 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
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).
Average cloud cover
Southport, 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
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).
