May weather forecast
West Windsor, NY

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Weather in May

May, the last month of the spring in West Windsor, is a refreshing month, with an average temperature fluctuating between 46°F (7.8°C) and 65.7°F (18.7°C).

Temperature

May's onset is marked by a temperature increase, moving from a fresh 52.3°F (11.3°C) in April to a refreshing 65.7°F (18.7°C). In West Windsor, an average temperature of 46°F (7.8°C) is noted during May nights.

Humidity

The months with the lowest humidity are April through July, with an average relative humidity of 80%.

Rainfall

In West Windsor, New York, in May, during 18.7 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. Throughout the year, there are 173.5 rainfall days, and 35.67" (906mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in West Windsor. May is the last month it regularly snows. During 0.8 snowfall days, in May, West Windsor aggregates 0.47" (12mm) of snow. Throughout the year, in West Windsor, there are 94.8 snowfall days, and 48.82" (1240mm) of snow is accumulated.

Daylight

The average length of the day in May in West Windsor is 14h and 35min.
On the first day of the month, sunrise is at 5:57 am and sunset at 8:02 pm. On the last day of May, sunrise is at 5:29 am and sunset at 8:32 pm EDT.

Sunshine

In West Windsor, New York, the average sunshine in May is 8h.

UV index

The months with the highest UV index 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 exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 5 in May translates into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What is the temperature in May in West Windsor?

The high-temperature during May is 65.7°F (18.7°C) and the low-temperature is 46°F (7.8°C).

What are the least humid months in West Windsor?

The months with the lowest humidity in West Windsor, New York, are April through July, with an average relative humidity of 80%.

What is the average humidity in May in West Windsor?

The average relative humidity in May in West Windsor is 80%.

How much does it rain in West Windsor in May?

In West Windsor, New York, in May, it is raining for 18.7 days, with typically 3.46" (88mm) of accumulated precipitation.

What is the last month it snows in West Windsor?

May is the last month it regularly snows in West Windsor. During 0.8 snowfall days, in May, West Windsor aggregates 0.47" (12mm) of snow.

What is the average length of the day in May in West Windsor?

In West Windsor, New York, the average day length in May is 14h and 35min.

What time are sunrise and sunset in May in West Windsor?

On the first day of May in West Windsor, sunrise is at 5:57 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:32 pm EDT.

How many hours of sunshine does West Windsor have in May?

The average sunshine duration in May in West Windsor is 8h.

When is the highest UV index in West Windsor?

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

What is the UV index reading in May in West Windsor?

In West Windsor, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
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
West Windsor, NY

Average temperature in May - West Windsor, NY
  • Average high temperature in May: 65.7°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in May: 46°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in May
West Windsor, NY

Average pressure in May - West Windsor, NY
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
West Windsor, NY

Average wind speed in May - West Windsor, NY
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in May
West Windsor, NY

Average humidity in May - West Windsor, NY
  • Average humidity in May: 80%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, June and July (80%).

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Average rainfall in May
West Windsor, NY

Average rainfall in May - West Windsor, NY
  • Average rainfall in May: 3.46"

The wettest month (with the highest rainfall) is June (3.58").
The driest months (with the least rainfall) are January and November (2.4").

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Average rainfall days in May
West Windsor, NY

Average rainfall days in May - West Windsor, NY
  • Average rainfall days in May: 18.7 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in May
West Windsor, NY

Average snowfall in May - West Windsor, NY
  • Average snowfall in May: 0.47"

The month with the highest snowfall is February (10.87").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
West Windsor, NY

Average snowfall days in May - West Windsor, NY
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is January (21.6 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
West Windsor, NY

Average daylight in May / Average sunshine in May - West Windsor, NY
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

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Average sunshine days in May
West Windsor, NY

Average sunshine days in May - West Windsor, NY
  • Average sunshine days in May: 9.8 days

The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (5.7 days).

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Average UV index in May
West Windsor, NY

Average UV index in May - West Windsor, 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, February and December (UV index 1).

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Average cloud cover in May
West Windsor, NY

Average cloud cover in May - West Windsor, NY
  • Average cloud cover in May: 50

The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 39).

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Average visibility in May
West Windsor, NY

Average visibility in May - West Windsor, NY
  • Average visibility in May: 5mi

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

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West Windsor, New York, USA

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