May weather forecast
Westport, NY

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Weather in May

The last month of the spring, May, is a refreshing month in Westport, New York, with temperature in the range of an average low of 44.4°F (6.9°C) and an average high of 65.3°F (18.5°C).

Temperature

May marks a distinct rise in the average high-temperature, ascending from April's fresh 50.4°F (10.2°C) to a refreshing 65.3°F (18.5°C). Westport experiences a nighttime temperature average of 44.4°F (6.9°C) during May.

Humidity

With an average relative humidity of 75%, May is the least humid month in Westport.

Rainfall

In Westport, during May, the rain falls for 17.1 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, there are 176.9 rainfall days, and 28.27" (718mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.5 snowfall days, in May, Westport aggregates 0.24" (6mm) of snow. In Westport, New York, during the entire year, snow falls for 85.1 days and aggregates up to 43.03" (1093mm) of snow.

Daylight

In Westport, the average length of the day in May is 14h and 47min.
On the first day of May, sunrise is at 5:43 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:29 pm EDT.

Sunshine

In Westport, the average sunshine in May is 8.7h.

UV index

The months with the highest UV index in Westport are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What are the temperatures in Westport in May?

The high-temperature, in May, in Westport, is 65.3°F (18.5°C), while the low-temperature averages to 44.4°F (6.9°C).

What is the least humid month in Westport?

May is the least humid month in Westport, New York, with an average relative humidity of 75%.

What is the average humidity in May in Westport?

The average relative humidity in May in Westport is 75%.

How many days does it rain in May in Westport?

In Westport, in May, it is raining for 17.1 days, with typically 2.64" (67mm) of accumulated precipitation.

What is the last month it snows in Westport?

May is the last month it regularly snows in Westport. During 0.5 snowfall days, in May, Westport aggregates 0.24" (6mm) of snow.

How many hours of daylight does Westport have in May?

The average day length in May in Westport is 14h and 47min.

What time are sunrise and sunset in May in Westport?

On the first day of May in Westport, sunrise is at 5:43 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:29 pm EDT.

How long on average sun shines in May in Westport?

The average sunshine duration in May in Westport is 8.7h.

What is the month with the highest UV index in Westport?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index reading in May in Westport?

In Westport, New York, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Westport, NY

Average temperature in May - Westport, NY
  • Average high temperature in May: 65.3°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (24.8°F).

  • Average low temperature in May: 44.4°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

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Average pressure in May
Westport, NY

Average pressure in May - Westport, NY
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Westport, NY

Average wind speed in May - Westport, NY
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in May
Westport, NY

Average humidity in May - Westport, NY
  • Average humidity in May: 75%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (75%).

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Average rainfall in May
Westport, NY

Average rainfall in May - Westport, NY
  • Average rainfall in May: 2.64"

The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is September (1.65").

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Average rainfall days in May
Westport, NY

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

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is February (10.4 days).

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Average snowfall in May
Westport, NY

Average snowfall in May - Westport, NY
  • Average snowfall in May: 0.24"

The month with the highest snowfall is February (12.05").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Westport, NY

Average snowfall days in May - Westport, NY
  • Average snowfall days in May: 0.5 days

The month with the highest number of snowfall days is January (19.9 days).
The 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, NY

Average daylight in May / Average sunshine in May - Westport, NY
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in May
Westport, NY

Average sunshine days in May - Westport, NY
  • Average sunshine days in May: 12.4 days

The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is February (7.6 days).

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Average UV index in May
Westport, NY

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Westport, NY

Average cloud cover in May - Westport, NY
  • Average cloud cover in May: 44

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in May
Westport, NY

Average visibility in May - Westport, NY
  • Average visibility in May: 5mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

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Westport, New York, USA

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