Monthly weather forecast and climate
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 a wintry winter month in Westport, Connecticut, with average temperature fluctuating between 35.8°F (2.1°C) and 26.4°F (-3.1°C). The coldest month is January, with an average high-temperature of 35.8°F (2.1°C) and an average low-temperature of 26.4°F (-3.1°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Westport, Connecticut, with average temperature varying between 38.1°F (3.4°C) and 27.3°F (-2.6°C). In Westport, the average high-temperature in February is relatively the same as in January - a still wintry 38.1°F (3.4°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Westport, Connecticut, with average temperature fluctuating between 33.4°F (0.8°C) and 44.4°F (6.9°C). In Westport, the average high-temperature marginally rises, from a cold 38.1°F (3.4°C) in February, to a frosty 44.4°F (6.9°C). Weather in March »

Weather in April

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

Weather in May

The last month of the spring, May, is an enjoyable month in Westport, Connecticut, with 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 an enjoyable 65.8°F (18.8°C). Weather in May »

Weather in June

June, the first month of the summer, in Westport, is a moderately hot month, with temperature in the range of an average low of 61°F (16.1°C) and an average high of 74.1°F (23.4°C). In Westport, the average high-temperature in June marginally rises, from a comfortable 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 another warm summer month, with average temperature ranging between max 81.1°F (27.3°C) and min 68.2°F (20.1°C). 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. In July, the average heat index is appraised at 85.6°F (29.8°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Westport, Connecticut, with average temperature fluctuating between 80.1°F (26.7°C) and 67.8°F (19.9°C). In Westport, the average high-temperature in August is practically 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 average temperature varying between 73°F (22.8°C) and 61.2°F (16.2°C). In September, the average high-temperature slightly decreases, from a moderately hot 80.1°F (26.7°C) in August, to an agreeable 73°F (22.8°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Westport, Connecticut, with average temperature fluctuating between 51.3°F (10.7°C) and 61.9°F (16.6°C). In October, the average high-temperature decreases, from a pleasant 73°F (22.8°C) in September, to an enjoyable 61.9°F (16.6°C). Weather in October »

Weather in November

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

Weather in December

December, the first month of the winter, in Westport, is still a cold month, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 41.9°F (5.5°C). In December, the average high-temperature decreases, from a fresh 50.9°F (10.5°C) in November, to a wintry 41.9°F (5.5°C). Weather in December »
[Resources]

FAQ

What 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), January is the coldest month.

How many days 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.

What is the driest month in Westport?

Months with the least rainfall in Westport, Connecticut, are January and February Rain falls for 8.3 days and accumulates 2.36" (60mm) of rain.

When does it snow in Westport?

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

How many days does it snow in Westport?

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

What is the month with 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?

Months with the highest humidity in Westport, Connecticut, are February, May and June, with an average relative humidity of 76%.

What is the snowiest month in Westport?

The month with the most snowfall in Westport 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?

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

What are the least humid months in Westport?

April and November, with an average relative humidity of 72%, are the least humid months.

When it does not snow in Westport?

In Westport snow does not fall in May through October.

When are the longest days in Westport?

June has the longest days of the year in Westport, with an average of 15.1h of daylight.

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

Months with the highest UV index in Westport, Connecticut, are June through August, with an average maximum UV index of 6.

What is the warmest month in Westport?

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

What is the rainiest month in Westport?

The month with the most rainfall is July when the rain falls for 18.1 days and typically aggregates up to 4.13" (105mm) of precipitation.

What month has the most sunshine in Westport?

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

What is the month with the shortest days in Westport?

With an average of 9.3h of daylight, December has the shortest days of the year in Westport, Connecticut.

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).

[Resources]

Average pressure
Westport, CT

Average pressure - Westport, CT

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

[Resources]

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).

[Resources]

Average humidity
Westport, CT

Average humidity - Westport, CT

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

[Resources]

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").

[Resources]

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).

[Resources]

Average snowfall
Westport, CT

Average snowfall - Westport, CT

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

[Resources]

Average snowfall days
Westport, CT

Average snowfall days - Westport, CT

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

[Resources]

Average daylight / Average sunshine
Westport, CT

Average daylight / Average sunshine - Westport, CT

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.7h).

[Resources]

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).

[Resources]

Average UV index
Westport, CT

Average UV index - Westport, 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).

[Resources]

Average visibility
Westport, CT

Average visibility - Westport, CT

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

[Resources]