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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is a wintry winter month in South Windham, Connecticut, with an average temperature varying between 21.6°F (-5.8°C) and 33.4°F (0.8°C). The lowest temperatures are recorded in January, with averages reaching a high of 33.4°F (0.8°C) and a low of 21.6°F (-5.8°C). Weather in January »
Weather in February
February, the last month of the winter in South Windham, is also an icy month, with an average temperature fluctuating between 36.7°F (2.6°C) and 22.5°F (-5.3°C). January's transformation into February witnesses an average high-temperature of a still icy 36.7°F (2.6°C), noting a minor change from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in South Windham, Connecticut, with an average temperature fluctuating between 43.7°F (6.5°C) and 29.7°F (-1.3°C). The shift into March is marked by a modest rise in the average high-temperature, moving from February's cold 36.7°F (2.6°C) to a frosty 43.7°F (6.5°C). Weather in March »
Weather in April
April is a moderate spring month in South Windham, Connecticut, with an average temperature ranging between max 55.9°F (13.3°C) and min 39.6°F (4.2°C). As April arrives, a rise in the average high-temperature is observed, moving from a chilly 43.7°F (6.5°C) in March to a moderate 55.9°F (13.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in South Windham, Connecticut, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 48.9°F (9.4°C). An escalation in the average high-temperature is seen with the onset of May, moving from a moderate 55.9°F (13.3°C) in April to a comfortable 67.1°F (19.5°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in South Windham, Connecticut, with an average temperature fluctuating between 56.3°F (13.5°C) and 74.8°F (23.8°C). South Windham experiences a minor temperature shift with the start of June, with average high-temperatures moving from a refreshing 67.1°F (19.5°C) in May to a warm 74.8°F (23.8°C). Weather in June »
Weather in July
July, like June, in South Windham, Connecticut, is another warm summer month, with an average temperature varying between 63°F (17.2°C) and 81.9°F (27.7°C). South Windham experiences its highest temperatures in July, with an average peak of 81.9°F (27.7°C) and a low of 63°F (17.2°C). The heat index for July is estimated at a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in South Windham, is another warm month, with an average temperature varying between 62.2°F (16.8°C) and 80.2°F (26.8°C). South Windham registers an average high-temperature of a still moderately hot 80.2°F (26.8°C) at the commencement of August, closely related to the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in South Windham, Connecticut, with an average temperature varying between 55.4°F (13°C) and 73.2°F (22.9°C). The arrival of September signals a subtle shift in temperature, down from a warm 80.2°F (26.8°C) in August to an agreeable 73.2°F (22.9°C). Weather in September »
Weather in October
October, like September, in South Windham, Connecticut, is another refreshing autumn month, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 61°F (16.1°C). October's onset brings a reduction in the average high-temperature, from an agreeable 73.2°F (22.9°C) in September to a refreshing 61°F (16.1°C). Weather in October »
Weather in November
November, the last month of the autumn in South Windham, is also a frosty month, with an average temperature fluctuating between 49.1°F (9.5°C) and 36.1°F (2.3°C). The onset of November results in a decrease in the average high-temperature, receding from an enjoyable 61°F (16.1°C) in October to a chilly 49.1°F (9.5°C). Weather in November »
Weather in December
December, the first month of the winter in South Windham, is also a wintry month, with temperature in the range of an average low of 28.6°F (-1.9°C) and an average high of 39.4°F (4.1°C). The shift from November to December involves a decrease in the average high-temperature, from a frosty 49.1°F (9.5°C) to a wintry 39.4°F (4.1°C). Weather in December »
Updated: Aug 17, 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
What is the coldest time of year?
January, with its high-temperature average of 33.4°F (0.8°C) and a low-temperature average of 21.6°F (-5.8°C), is the coldest month.
How much does it rain in South Windham?
Throughout the year, there are 164.2 rainfall days, and 33.74" (857mm) of precipitation is accumulated.
When does it snow?
Months with snowfall in South Windham are January through May, November and December.
How many days does it snow?
In South Windham, during the entire year, snow falls for 31.6 days and aggregates up to 15.98" (406mm) of snow.
What are the months with the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
The months with the highest humidity are February and October, with an average relative humidity of 79%.
When does it snow the most?
The month with the most snowfall is March, when snow falls for 7.3 days and typically aggregates up to 4.41" (112mm) of snow.
When is Daylight Saving Time (DST)?
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.
What is the least humid month in South Windham?
April is the least humid month, with an average relative humidity of 72%.
When it does not snow?
June through October are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What are the warmest months?
In South Windham, July records the average highest temperatures, peaking at 81.9°F (27.7°C) and reaching a low of 63°F (17.2°C).
What month has the most sunshine?
With an average of 10.3h of sunshine, August has the most sunshine of the year.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 1.73" (44mm) of precipitation.
What is the rainiest month?
December is the month with the most rainfall. Rain falls for 11.5 days and accumulates 3.46" (88mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 4.7h of sunshine.
Average temperature
South Windham, CT
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.4°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
South Windham, CT
- Average pressure in January:
30.02"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
South Windham, CT
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.3mph - Average wind speed in May:
7mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.4mph - Average wind speed in November:
7.8mph - Average wind speed in December:
8.4mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
South Windham, CT
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall
South Windham, CT
- Average rainfall in January:
2.52" - Average rainfall in February:
2.4" - Average rainfall in March:
2.8" - Average rainfall in April:
3.15" - Average rainfall in May:
2.76" - Average rainfall in June:
2.99"
- Average rainfall in July:
3.19" - Average rainfall in August:
2.76" - Average rainfall in September:
1.73" - Average rainfall in October:
3.07" - Average rainfall in November:
2.91" - Average rainfall in December:
3.46"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days
South Windham, CT
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
9.7 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
16.4 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
10.8 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.1 days).
Average snowfall
South Windham, CT
- Average snowfall in January:
2.91" - Average snowfall in February:
4.33" - Average snowfall in March:
4.41" - Average snowfall in April:
0.31" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.41").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
South Windham, CT
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
0.9 days - Average snowfall days in May:
0.2 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:
1.5 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
South Windham, CT
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days
South Windham, CT
- Average sunshine days in January:
16.2 days - Average sunshine days in February:
13 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
11.1 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
15.2 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.8 days).
Average UV index
South Windham, CT
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
South Windham, CT
The months with the most cloud cover are February, March, May and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
South Windham, CT
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
South Windham, Connecticut, USA
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