Monthly weather forecast and climate
Windham, CT

Weather in January

January, the same as December, is another cold winter month in Windham, Connecticut, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 33.4°F (0.8°C). January is the coldest month, with an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Windham, Connecticut, with average temperature ranging between min 22.5°F (-5.3°C) and max 36.7°F (2.6°C). In February, the average high-temperature is essentially the same as in January - a still wintry 36.7°F (2.6°C). Weather in February »

Weather in March

March, the first month of the spring, in Windham, is a chilly month, with average temperature varying between 43.7°F (6.5°C) and 29.7°F (-1.3°C). In March, the average high-temperature marginally rises, from a cold 36.7°F (2.6°C) in February, to a frosty 43.7°F (6.5°C). Weather in March »

Weather in April

April in Windham, Connecticut, is a moderate spring month, with average temperature ranging between max 55.9°F (13.3°C) and min 39.6°F (4.2°C). In Windham, the average high-temperature increases, from a chilly 43.7°F (6.5°C) in March, to a mild 55.9°F (13.3°C). Weather in April »

Weather in May

May, the last month of the spring, in Windham, is an enjoyable month, with average temperature ranging between max 67.1°F (19.5°C) and min 48.9°F (9.4°C). In May, the average high-temperature rises, 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 moderately hot month in Windham, Connecticut, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 56.3°F (13.5°C). In Windham, the average high-temperature marginally rises, from an enjoyable 67.1°F (19.5°C) in May, to a moderately hot 74.8°F (23.8°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Windham, Connecticut, with average temperature varying between 63°F (17.2°C) and 81.9°F (27.7°C). The warmest month is July, with an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 63°F (17.2°C). In July, the average heat index is appraised at a tropical 88°F (31.1°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Windham, Connecticut, with average temperature fluctuating between 80.2°F (26.8°C) and 62.2°F (16.8°C). In Windham, the average high-temperature in August is practically the same as in July - a still moderately hot 80.2°F (26.8°C). Weather in August »

Weather in September

September, the first month of the autumn, in Windham, is still a pleasant month, with average temperature varying between 55.4°F (13°C) and 73.2°F (22.9°C). In September, the average high-temperature marginally drops, from a moderately hot 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 Windham, Connecticut, is another enjoyable autumn month, with average temperature ranging between min 46.4°F (8°C) and max 61°F (16.1°C). In October, the average high-temperature decreases, from an agreeable 73.2°F (22.9°C) in September, to a comfortable 61°F (16.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Windham, Connecticut, with average temperature varying between 49.1°F (9.5°C) and 36.1°F (2.3°C). In Windham, the average high-temperature in November decreases, from a comfortable 61°F (16.1°C) in October, to a chilly 49.1°F (9.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Windham, Connecticut, 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). In Windham, Connecticut, the average high-temperature in December drops, from a chilly 49.1°F (9.5°C) in November, to a wintry 39.4°F (4.1°C). Weather in December »
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FAQ

What is the coldest month in Windham?

January is the coldest month in Windham, Connecticut, with an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C).

How much does it rain in Windham?

In Windham, during the entire year, the rain falls for 164.2 days and collects up to 33.74" (857mm) of precipitation.

When does it snow in Windham?

January through May, November and December are months with snowfall in Windham, Connecticut.

How many days does it snow in Windham?

Throughout the year, there are 31.6 snowfall days, and 15.98" (406mm) of snow is accumulated.

When is the lowest UV index in Windham?

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

What is the most humid month in Windham?

February and October, with an average relative humidity of 79%, are most humid months in Windham.

When does it snow the most in Windham?

March is the month with the most snowfall. Snow falls for 7.3 days and accumulates 4.41" (112mm) of snow.

What is the least humid month in Windham?

With an average relative humidity of 72%, April is the least humid month.

When it does not snow in Windham?

June through October are months without snowfall.

When are the longest days in Windham?

The month with the longest days is June, with an average of 15.2h of daylight.

When is the highest UV index in Windham?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month in Windham?

With an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 63°F (17.2°C), July is the warmest month in Windham.

What month has the most sunshine in Windham?

The month with the most sunshine is August, with an average of 10.3h of sunshine.

What is the driest month in Windham?

September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 1.73" (44mm) of precipitation.

What is the rainiest month in Windham?

December is the month with the most rainfall in Windham. Rain falls for 11.5 days and accumulates 3.46" (88mm) of precipitation.

What is the month with the shortest days in Windham?

The month with the shortest days in Windham is December, with an average of 9.2h of daylight.

What is the month with the least sunshine in Windham?

The month with the least sunshine is December, with an average of 4.7h of sunshine.

Average temperature
Windham, CT

Average temperature - 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).

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Average pressure
Windham, CT

Average pressure - Windham, CT

The month with the highest atmospheric pressure is November (30.08").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed
Windham, CT

Average wind speed - Windham, CT

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).

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Average humidity
Windham, CT

Average humidity - Windham, CT

Months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).

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Average rainfall
Windham, CT

Average rainfall - Windham, CT

The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days
Windham, CT

Average rainfall days - Windham, CT

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).

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Average snowfall
Windham, CT

Average snowfall - Windham, CT

The month with the highest snowfall is March (4.41").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Windham, CT

Average snowfall days - Windham, CT

The month with the highest number of snowfall days is January (8.3 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Windham, CT

Average daylight / Average sunshine - Windham, CT

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

The month with the most sunshine is August (Average sunshine: 10.3h).
The month with the least sunshine is December (Average sunshine: 4.7h).

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Average sunshine days
Windham, CT

Average sunshine days - Windham, CT

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.8 days).

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Average UV index
Windham, CT

Average UV index - Windham, CT

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average visibility
Windham, CT

Average visibility - Windham, CT

Months with the highest visibility are January, March, April, October, November and December (6mi).
Months with the lowest visibility are February, May, June, July, August and September (5mi).

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