Climate and monthly weather forecast
Westport, CT

The colorful houses on the shores of Westport, Connecticut
The colorful houses on the shores of Westport, Connecticut

Weather in January

January, the same as December, is another cold winter month in Westport, Connecticut, with an average temperature varying between 26.4°F (-3.1°C) and 35.8°F (2.1°C). With an average high-temperature of 35.8°F (2.1°C) and an average low-temperature of 26.4°F (-3.1°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Westport, is another cold month, with temperature in the range of an average low of 27.3°F (-2.6°C) and an average high of 38.1°F (3.4°C). In Westport, the average high-temperature in February is relatively the same as in January - a still cold 38.1°F (3.4°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Westport, Connecticut, with temperature in the range of an average high of 44.4°F (6.9°C) and an average low of 33.4°F (0.8°C). In Westport, the average high-temperature in March slightly increases from a wintry 38.1°F (3.4°C) in February to a chilly 44.4°F (6.9°C). Weather in March »

Weather in April

April in Westport, Connecticut, is a fresh spring month, with an average temperature varying between 43°F (6.1°C) and 55.2°F (12.9°C). In Westport, the average high-temperature in April rises from a chilly 44.4°F (6.9°C) in March to a cool 55.2°F (12.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Westport, Connecticut, with an average temperature varying between 52.7°F (11.5°C) and 65.8°F (18.8°C). In May, the average high-temperature rises from a fresh 55.2°F (12.9°C) in April to a comfortable 65.8°F (18.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Westport, Connecticut, with an average temperature varying between 61°F (16.1°C) and 74.1°F (23.4°C). In Westport, the average high-temperature in June slightly increases from an enjoyable 65.8°F (18.8°C) in May to a moderately hot 74.1°F (23.4°C). Weather in June »

Weather in July

July, like June, in Westport, Connecticut, is a moderately hot summer month, with an average temperature fluctuating between 68.2°F (20.1°C) and 81.1°F (27.3°C). The warmest month is July, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 68.2°F (20.1°C). The average heat index in July is estimated at a hot 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Westport, is another warm month, with an average temperature fluctuating between 67.8°F (19.9°C) and 80.1°F (26.7°C). In August, the average high-temperature is almost the same as in July - a still warm 80.1°F (26.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Westport, Connecticut, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 61.2°F (16.2°C). In Westport, the average high-temperature in September slightly decreases from a moderately hot 80.1°F (26.7°C) in August to a pleasant 73°F (22.8°C). Weather in September »

Weather in October

October, like September, in Westport, Connecticut, is another comfortable autumn month, with an average temperature varying between 61.9°F (16.6°C) and 51.3°F (10.7°C). In Westport, the average high-temperature in October drops from an agreeable 73°F (22.8°C) in September to a comfortable 61.9°F (16.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Westport, Connecticut, with an average temperature varying between 50.9°F (10.5°C) and 40.3°F (4.6°C). In Westport, Connecticut, the average high-temperature in November decreases from a comfortable 61.9°F (16.6°C) in October to a fresh 50.9°F (10.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Westport, Connecticut, with an average temperature fluctuating between 41.9°F (5.5°C) and 32.9°F (0.5°C). In Westport, Connecticut, the average high-temperature in December decreases from a cool 50.9°F (10.5°C) in November to a cold 41.9°F (5.5°C). Weather in December »
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FAQ

What is the coldest month in Westport?

January is the coldest month in Westport, with an average high-temperature of 35.8°F (2.1°C) and an average low-temperature of 26.4°F (-3.1°C).

What is the driest month in Westport?

The months with the least rainfall are January and February Rain falls for 8.3 days and accumulates 2.36" (60mm) of rain.

How much does it rain in Westport?

In Westport, Connecticut, during the entire year, the rain falls for 166.3 days and collects up to 37.87" (962mm) of precipitation.

When does it snow in Westport?

Months with snowfall in Westport, Connecticut, are January through April, November and December.

How much does it snow in Westport?

Throughout the year, there are 24.6 snowfall days, and 9.61" (244mm) of snow is accumulated.

When is the lowest UV index in Westport?

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

What is the most humid month in Westport?

The months with the highest humidity are February, May and June, with an average relative humidity of 76%.

When does it snow the most in Westport?

The month with the most snowfall in Westport, Connecticut, is February, when snow falls for 7.4 days and typically aggregates up to 2.83" (72mm) of snow.

What is the month with the least sunshine in Westport?

With an average of 4.7h of sunshine, February has the least sunshine of the year in Westport, Connecticut.

When is Daylight Saving Time (DST) in Westport?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Westport, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Westport?

The months with the lowest humidity in Westport, Connecticut, are April and November, with an average relative humidity of 72%.

When it does not snow in Westport?

May through October are months without snowfall in Westport, Connecticut.

When are the longest days in Westport?

With an average of 15h and 5min of daylight, June has the longest days of the year.

When is the highest UV index in Westport?

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

What is the warmest month in Westport?

With an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 68.2°F (20.1°C), July is the warmest month.

What is the wettest month in Westport?

July is the month with the most rainfall. Rain falls for 18.1 days and accumulates 4.13" (105mm) of precipitation.

What month has the most sunshine in Westport?

July has the most sunshine of the year, with an average of 10.5h of sunshine.

What is the month with the shortest days in Westport?

The month with the shortest days in Westport, Connecticut, is December, with an average of 9h and 16min of daylight.

Average temperature
Westport, CT

Average temperature - Westport, CT

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (35.8°F).

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

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Average pressure
Westport, CT

Average pressure - Westport, CT

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Westport, CT

Average wind speed - Westport, CT

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity
Westport, CT

Average humidity - Westport, CT

The months with the highest relative humidity are February, May and June (76%).
The months with the lowest relative humidity are April and November (72%).

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Average rainfall
Westport, CT

Average rainfall - Westport, CT

The wettest month (with the highest rainfall) is July (4.13").
The driest months (with the least rainfall) are January and February (2.36").

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Average rainfall days
Westport, CT

Average rainfall days - Westport, CT

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall
Westport, CT

Average snowfall - Westport, CT

The month with the highest snowfall is February (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Westport, CT

Average snowfall days - Westport, CT

The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Westport, CT

Average daylight / Average sunshine - Westport, CT

The month with the longest days is June (Average daylight: 15h and 5min).
The month with the shortest days is December (Average daylight: 9h and 16min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days
Westport, CT

Average sunshine days - Westport, CT

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is June (10 days).

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Average UV index
Westport, CT

Average UV index - Westport, 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).

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Average visibility
Westport, CT

Average visibility - Westport, CT

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).

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