May weather forecast
Princeton, West VA

Weather in May

The last month of the spring, May, is an agreeable month in Princeton, West Virginia, with an average temperature fluctuating between 71.2°F (21.8°C) and 50.5°F (10.3°C).

Temperature

In Princeton, the average high-temperature in May increases from an enjoyable 62.2°F (16.8°C) in April to a pleasant 71.2°F (21.8°C). In May, in Princeton, West Virginia, the average low-temperature is 50.5°F (10.3°C).

Humidity

In Princeton, the average relative humidity in May is 79%.

Rainfall

The month with the most rainfall in Princeton is May, when the rain falls for 19.3 days and typically aggregates up to 3.35" (85mm) of precipitation.

Snowfall

Months with snowfall in Princeton, West Virginia, are January through May, October through December. May is the last month it regularly snows in Princeton. During 0.3 snowfall days, Princeton aggregates 0.24" (6mm) of snow. Throughout the year, in Princeton, there are 46.5 snowfall days, and 27.36" (695mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 11min.
On the first day of May, sunrise is at 6:28 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:38 pm EDT.

Sunshine

The average sunshine in May in Princeton is 9.2h.

UV index

The average daily maximum UV index in May in Princeton is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Princeton?

The average relative humidity in May is 79%.

What is the rainiest month in Princeton?

The month with the most rainfall is May, when the rain falls for 19.3 days and typically aggregates up to 3.35" (85mm) of precipitation.

How much does it rain in Princeton in May?

In May, the rain falls for 19.3 days. Throughout May, 3.35" (85mm) of precipitation is accumulated.

What is the last month it snows in Princeton?

May is the last month it regularly snows in Princeton, West Virginia. During 0.3 snowfall days, in May, Princeton aggregates 0.24" (6mm) of snow.

What is the average length of the day in May in Princeton?

The average day length in May in Princeton, West Virginia, is 14h and 11min.

What time are sunrise and sunset in May in Princeton?

In May, on the first day of the month, sunrise is at 6:28 am and sunset at 8:14 pm. On the last day of the month, in Princeton, West Virginia, sunrise is at 6:05 am and sunset at 8:38 pm EDT.

How long on average sun shines in May in Princeton?

The average sunshine duration in May in Princeton is 9.2h.

What is the UV index intensity in May in Princeton?

The average daily maximum UV index in May in Princeton is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Princeton, West VA

Average temperature in May - Princeton, West VA
  • Average high temperature in May: 71.2°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

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Average pressure in May
Princeton, West VA

Average pressure in May - Princeton, West VA
  • Average pressure in May: 30.03"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in May
Princeton, West VA

Average wind speed in May - Princeton, West VA
  • Average wind speed in May: 6.1mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in May
Princeton, West VA

Average humidity in May - Princeton, West VA
  • Average humidity in May: 79%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (77%).

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Average rainfall in May
Princeton, West VA

Average rainfall in May - Princeton, West VA
  • Average rainfall in May: 3.35"

The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in May
Princeton, West VA

Average rainfall days in May - Princeton, West VA
  • Average rainfall days in May: 19.3 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is January (10 days).

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Average snowfall in May
Princeton, West VA

Average snowfall in May - Princeton, West VA
  • Average snowfall in May: 0.24"

The month with the highest snowfall is December (6.18").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Princeton, West VA

Average snowfall days in May - Princeton, West VA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (11.2 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
Princeton, West VA

Average daylight in May / Average sunshine in May - Princeton, West VA
  • Average daylight in May: 14h and 11min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 38min).

  • Average sunshine in May: 9h and 12min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in May
Princeton, West VA

Average sunshine days in May - Princeton, West VA
  • Average sunshine days in May: 9.8 days

The month with the most sunshine days is November (16.5 days).
The months with the least sunshine days are February and May (9.8 days).

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Average UV index in May
Princeton, West VA

Average UV index in May - Princeton, West VA
  • Average UV index in May: 5

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Princeton, West VA

Average cloud cover in May - Princeton, West VA
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 36).

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Average visibility in May
Princeton, West VA

Average visibility in May - Princeton, West VA
  • Average visibility in May: 5mi

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

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