May 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 May

May, the last month of the spring, in Westport, is a comfortable month, with average temperature ranging between max 65.8°F (18.8°C) and min 52.7°F (11.5°C).

Temperature

In May, the average high-temperature increases, from a cool 55.2°F (12.9°C) in April, to a comfortable 65.8°F (18.8°C). In May, the average low-temperature is 52.7°F (11.5°C).

Humidity

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

Rainfall

In Westport, Connecticut, in May, during 17.1 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 166.3 rainfall days, and 37.87" (962mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in May is 14.5h.

Sunshine

In Westport, the average sunshine is 8.7h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in Westport?

In Westport, in May, the average high-temperature is 65.8°F (18.8°C), and the average low-temperature is 52.7°F (11.5°C).

What are the most humid months in Westport?

February, May and June, with an average relative humidity of 76%, are most humid months in Westport.

What is the average humidity in May in Westport?

In Westport, the average relative humidity in May is 76%.

How many days does it rain in May in Westport?

In Westport, Connecticut, in May, it is raining for 17.1 days, with typically 3.11" (79mm) of accumulated precipitation.

Does it snow in Westport in May?

In May, in Westport, Connecticut, it doesn't snow. April is the latest month when it typically snows.

When it does not snow in Westport?

May through October are months without snowfall in Westport.

How many hours of daylight does Westport have in May?

In Westport, Connecticut, the average length of the day in May is 14.5h.

How long on average sun shines in May in Westport?

The average sunshine in May is 8.7h.

How high is the UV index in May in Westport?

In Westport, Connecticut, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in May
Westport, CT

Average temperature in May - Westport, CT
  • Average high temperature in May: 65.8°F

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).

  • Average low temperature in May: 52.7°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 in May
Westport, CT

Average pressure in May - Westport, CT
  • Average pressure in May: 30.01"

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

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Average wind speed in May
Westport, CT

Average wind speed in May - Westport, CT
  • Average wind speed in May: 7.6mph

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 in May
Westport, CT

Average humidity in May - Westport, CT
  • Average humidity in May: 76%

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

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Average rainfall in May
Westport, CT

Average rainfall in May - Westport, CT
  • Average rainfall in May: 3.11"

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 in May
Westport, CT

Average rainfall days in May - Westport, CT
  • Average rainfall days in May: 17.1 days

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 in May
Westport, CT

Average snowfall in May - Westport, CT
  • Average snowfall in May: 0"

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

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Average snowfall days in May
Westport, CT

Average snowfall days in May - Westport, CT
  • Average snowfall days in May: 0.2 days

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).

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Average daylight in May /
Average sunshine in May
Westport, CT

Average daylight in May / Average sunshine in May - Westport, CT
  • Average daylight in May: 14.5h

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

  • Average sunshine in May: 8.7h

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

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Average sunshine days in May
Westport, CT

Average sunshine days in May - Westport, CT
  • Average sunshine days in May: 11.8 days

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 in May
Westport, CT

Average UV index in May - Westport, CT
  • Average UV index in May: 5

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 cloud cover in May
Westport, CT

Average cloud cover in May - Westport, CT
  • Average cloud cover in May: 43

Months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in May
Westport, CT

Average visibility in May - Westport, CT
  • Average visibility in May: 6mi

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).

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