Willimantic
Connecticut, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Willimantic, CT

January, the same as December, is another cold winter month in Willimantic, Connecticut, with average temperature varying between 21.6°F (-5.8°C) and 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 »

The last month of the winter, February, is another cold month in Willimantic, 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 cold 36.7°F (2.6°C). Weather in February »

The first month of the spring, March, is a frosty month in Willimantic, Connecticut, with average temperature fluctuating between 29.7°F (-1.3°C) and 43.7°F (6.5°C). In Willimantic, the average high-temperature slightly increases, from a cold 36.7°F (2.6°C) in February, to a chilly 43.7°F (6.5°C). Weather in March »

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

May, the last month of the spring, in Willimantic, is a comfortable 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 increases, from a mild 55.9°F (13.3°C) in April, to a comfortable 67.1°F (19.5°C). Weather in May »

June, the first month of the summer, in Willimantic, is a warm month, with average temperature ranging between max 74.8°F (23.8°C) and min 56.3°F (13.5°C). In June, the average high-temperature slightly increases, from an enjoyable 67.1°F (19.5°C) in May, to a moderately hot 74.8°F (23.8°C). Weather in June »

July, the same as June, is another warm summer month in Willimantic, Connecticut, with average temperature ranging between min 63°F (17.2°C) and max 81.9°F (27.7°C). 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 July, the average heat index is estimated at a hot 88°F (31.1°C). Weather in July »

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

The first month of the autumn, September, is still a pleasant month in Willimantic, Connecticut, with average temperature ranging between min 55.4°F (13°C) and max 73.2°F (22.9°C). In Willimantic, Connecticut, the average high-temperature in September 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 »

October, like September, in Willimantic, Connecticut, is another enjoyable autumn month, with temperature in the range of an average high of 61°F (16.1°C) and an average low of 46.4°F (8°C). In October, the average high-temperature drops, from a pleasant 73.2°F (22.9°C) in September, to a comfortable 61°F (16.1°C). Weather in October »

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

December, the first month of the winter, in Willimantic, is still a cold month, with average temperature ranging between min 28.6°F (-1.9°C) and max 39.4°F (4.1°C). In Willimantic, the average high-temperature drops, from a frosty 49.1°F (9.5°C) in November, to a cold 39.4°F (4.1°C). Weather in December »

What is the coldest month in Willimantic?

January is the coldest month in Willimantic, 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 many days does it rain in Willimantic?

Throughout the year, in Willimantic, there are 164.2 rainfall days, and 33.74" (857mm) of precipitation is accumulated.

When does it snow in Willimantic?

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

How much does it snow in Willimantic?

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

When is the lowest UV index in Willimantic?

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

What are the most humid months in Willimantic?

Months with the highest humidity in Willimantic, Connecticut, are February and October, with an average relative humidity of 79%.

When does it snow the most in Willimantic?

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

What is the least humid month in Willimantic?

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

When it does not snow in Willimantic?

In Willimantic snow does not fall in June through October.

When are the longest days in Willimantic?

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

What are the months with the highest UV index in Willimantic?

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

What is the warmest month in Willimantic?

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 Willimantic.

What month has the most sunshine in Willimantic?

With an average of 10.3h of sunshine, August has the most sunshine of the year in Willimantic, Connecticut.

What is the driest month in Willimantic?

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

What is the wettest month in Willimantic?

The month with the most rainfall is December when the rain falls for 11.5 days and typically aggregates up to 3.46" (88mm) of precipitation.

What is the month with the shortest days in Willimantic?

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

What is the month with the least sunshine in Willimantic?

The month with the least sunshine in Willimantic, Connecticut, is December, with an average of 4.7h of sunshine.
Average temperature - Willimantic, CT
Average humidity - Willimantic, CT
Average rainfall - Willimantic, CT

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 - Willimantic, 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).

Average snowfall - Willimantic, CT
Average snowfall days - Willimantic, 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).

Average daylight / Average sunshine - Willimantic, 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).

Average UV index - Willimantic, CT