Climate and monthly weather forecastStonington, ME
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Stonington, Maine, with an average temperature fluctuating between 31.5°F (-0.3°C) and 21°F (-6.1°C). January, marked by an average high-temperature of 31.5°F (-0.3°C) and a low-temperature of 21°F (-6.1°C), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Stonington, is an icy month, with an average temperature ranging between min 22.1°F (-5.5°C) and max 32.4°F (0.2°C). The dawn of February sees an average high-temperature of an icy 32.4°F (0.2°C), subtly contrasting with January's 31.5°F (-0.3°C). Weather in February »Weather in March
March, the first month of the spring in Stonington, is also an icy month, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 27.9°F (-2.3°C). As Stonington transitions into March, the average high-temperature stands at a still wintry 37°F (2.8°C), offering little variation from the preceding month. Weather in March »Weather in April
April in Stonington, Maine, is a chilly spring month, with an average temperature ranging between max 46°F (7.8°C) and min 37.2°F (2.9°C). As Stonington welcomes April, the average high-temperature sees a rise, transitioning from a cold 37°F (2.8°C) in March to a frosty 46°F (7.8°C). Weather in April »Weather in May
The last month of the spring, May, is a cool month in Stonington, Maine, with an average temperature varying between 45.5°F (7.5°C) and 55°F (12.8°C). The arrival of May brings an increase in high-temperatures, moving from a chilly 46°F (7.8°C) in April to a cool 55°F (12.8°C). Weather in May »Weather in June
The first month of the summer, June, is an enjoyable month in Stonington, Maine, with an average temperature varying between 53.1°F (11.7°C) and 62.2°F (16.8°C). Stonington's transition into June sees a mild rise in the average high-temperature, edging from a fresh 55°F (12.8°C) in May to a comfortable 62.2°F (16.8°C). Weather in June »Weather in July
July is an agreeable summer month in Stonington, Maine, with an average temperature varying between 59.5°F (15.3°C) and 68.7°F (20.4°C). Stonington observes a slight ascent in average high-temperatures during July, adjusting from an enjoyable 62.2°F (16.8°C) in June to an agreeable 68.7°F (20.4°C). Weather in July »Weather in August
The last month of the summer, August, is another pleasant month in Stonington, Maine, with an average temperature fluctuating between 59.9°F (15.5°C) and 68.9°F (20.5°C). The warmest month is August, with an average high-temperature of 68.9°F (20.5°C) and an average low-temperature of 59.9°F (15.5°C). Weather in August »Weather in September
September, the first month of the autumn in Stonington, is still a refreshing month, with an average temperature varying between 63.9°F (17.7°C) and 54.7°F (12.6°C). The onset of September notes an average high-temperature of a refreshing 63.9°F (17.7°C), subtly shifted from August's 68.9°F (20.5°C). Weather in September »Weather in October
October, like September, in Stonington, Maine, is a cool autumn month, with an average temperature varying between 47.1°F (8.4°C) and 54.9°F (12.7°C). As October commences, the average high-temperature shows a reduction, transitioning from a comfortable 63.9°F (17.7°C) in September to a cool 54.9°F (12.7°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Stonington, Maine, with an average temperature ranging between min 37.4°F (3°C) and max 45.3°F (7.4°C). November indicates a shift in the average high-temperature, from October's cool 54.9°F (12.7°C) to a frosty 45.3°F (7.4°C). Weather in November »Weather in December
December, the first month of the winter in Stonington, is also a wintry month, with temperature in the range of an average high of 36.7°F (2.6°C) and an average low of 27.7°F (-2.4°C). The start of December signals a gentle decrease in the average high-temperature, transitioning from a chilly 45.3°F (7.4°C) in November to an icy 36.7°F (2.6°C). Weather in December »Updated: Jul 7, 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
Stonington witnesses the coldest weather in January, with temperatures averaging a high of 31.5°F (-0.3°C) and a low of 21°F (-6.1°C).
In Stonington, during the entire year, the rain falls for 115.5 days and collects up to 17.95" (456mm) of precipitation.
January through April, October through December are months with snowfall.
In Stonington, during the entire year, snow falls for 29.2 days and aggregates up to 9.65" (245mm) of snow.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the most snowfall. Snow falls for 6.6 days and accumulates 2.32" (59mm) of snow.
The month with the coldest seawater is March, with an average ocean temperature of 38.3°F (3.5°C).
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.
In Stonington, snow does not fall in May through September.
The month with the longest days is June, with an average of 15h and 24min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 5.
With an average relative humidity of 85%, July is the most humid month in Stonington.
August is the warmest month in Stonington, with the temperature often reaching an average high of 68.9°F (20.5°C) and an average low of 59.9°F (15.5°C).
With an average ocean temperature of 58.6°F (14.8°C), August is the month with the warmest seawater.
With an average of 10.4h of sunshine, August has the most sunshine of the year.
The month with the least rainfall is September, when the rain falls for 8.7 days and typically collects 0.91" (23mm) of precipitation.
The month with the most rainfall is October, when the rain falls for 10.6 days and typically aggregates up to 2.09" (53mm) of precipitation.
The least humid month is November, with an average relative humidity of 76%.
December has the shortest days of the year, with an average of 8h and 54min of daylight.
The month with the least sunshine is December, with an average of 4.5h of sunshine.
Average temperature
Stonington, ME
The warmest month (with the highest average high temperature) is August (68.9°F).
The month with the lowest average high temperature is January (31.5°F).
The month with the highest average low temperature is August (59.9°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure
Stonington, 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
Stonington, ME
- Average wind speed in January:
14.4mph - Average wind speed in February:
14mph - Average wind speed in March:
13.7mph - Average wind speed in April:
11.7mph - Average wind speed in May:
9.6mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
7.8mph - Average wind speed in August:
7.8mph - Average wind speed in September:
9.2mph - Average wind speed in October:
11.8mph - Average wind speed in November:
13.1mph - Average wind speed in December:
13.9mph
The windiest month (with the highest average wind speed) is January (14.4mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity
Stonington, ME
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (76%).
Average rainfall
Stonington, ME
- Average rainfall in January:
1.54" - Average rainfall in February:
1.22" - Average rainfall in March:
1.14" - Average rainfall in April:
1.69" - Average rainfall in May:
1.34" - Average rainfall in June:
1.65"
- Average rainfall in July:
1.34" - Average rainfall in August:
1.26" - Average rainfall in September:
0.91" - Average rainfall in October:
2.09" - Average rainfall in November:
1.89" - Average rainfall in December:
1.89"
The wettest month (with the highest rainfall) is October (2.09").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days
Stonington, ME
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
8.6 days - Average rainfall days in April:
11.7 days - Average rainfall days in May:
12 days - Average rainfall days in June:
12 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
10.2 days - Average rainfall days in September:
8.7 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
8.4 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is February (5.3 days).
Average snowfall
Stonington, ME
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Stonington, ME
- Average snowfall days in January:
7.7 days - Average snowfall days in February:
6.6 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0 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:
0.1 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
5.9 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature
Stonington, ME
The best month for swimming (with the highest average sea temperature) is August (58.6°F).
The coldest month (with the lowest average sea temperature) is March (38.2°F).
Average daylight / Average sunshine
Stonington, 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:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
4h and 48min - 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 42min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 24min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days
Stonington, ME
- Average sunshine days in January:
17.9 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
17.5 days - Average sunshine days in April:
15.5 days - Average sunshine days in May:
16.3 days - Average sunshine days in June:
16.5 days
- Average sunshine days in July:
15.4 days - Average sunshine days in August:
19.3 days - Average sunshine days in September:
19.9 days - Average sunshine days in October:
17.8 days - Average sunshine days in November:
18 days - Average sunshine days in December:
16.3 days
The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is July (15.4 days).
Average UV index
Stonington, 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
Stonington, ME
The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Stonington, 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).
