May weather forecastWestchester, WV
May
Weather in May
The last month of the spring, May, is a pleasant month in Westchester, West Virginia, with an average temperature varying between 51.4°F (10.8°C) and 72.1°F (22.3°C).Temperature
May sees a rise in the average high-temperature, climbing from a refreshing 61.3°F (16.3°C) in April to a pleasant 72.1°F (22.3°C). May nights cool down to an average low-temperature of 51.4°F (10.8°C).Humidity
In Westchester, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 20.3 days and accumulates 4.21" (107mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Westchester aggregates 0.51" (13mm) of snow. In Westchester, West Virginia, during the entire year, snow falls for 58.4 days and aggregates up to 29.09" (739mm) of snow.Daylight
In May, the average length of the day is 14h and 22min.On the first day of the month, sunrise is at 6:20 am and sunset at 8:14 pm. On the last day of May, sunrise is at 5:55 am and sunset at 8:41 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: In May, a regular UV index of 6 translates into these guidelines:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Westchester, WV
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in May
Westchester, WV
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Westchester, WV
- Average wind speed in May: 5.6mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Westchester, WV
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in May
Westchester, WV
- Average rainfall in May: 4.21"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in May
Westchester, WV
- Average rainfall days in May: 20.3 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in May
Westchester, WV
- Average snowfall in May: 0.51"
The month with the highest snowfall is January (7.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Westchester, WV
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Westchester, WV
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Westchester, WV
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in May
Westchester, WV
- Average UV index in May: 6
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Westchester, WV
- Average cloud cover in May: 47
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in May
Westchester, WV
- 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).
