May weather forecastProspect Valley, WV
May
Weather in May
The last month of the spring, May, is an agreeable month in Prospect Valley, West Virginia, with an average temperature fluctuating between 51.8°F (11°C) and 72.5°F (22.5°C).Temperature
As May arrives, a rise in the average high-temperature is observed, moving from a refreshing 61.7°F (16.5°C) in April to a pleasant 72.5°F (22.5°C). In Prospect Valley, the average nighttime temperature during May is a cool 51.8°F (11°C).Humidity
In Prospect Valley, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall in Prospect Valley. Rain falls for 20.4 days and accumulates 4.17" (106mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Prospect Valley aggregates 0.59" (15mm) of snow. In Prospect Valley, during the entire year, snow falls for 57.8 days and aggregates up to 28.9" (734mm) of snow.Daylight
In Prospect Valley, the average length of the day in May is 14h and 22min.On the first day of May, sunrise is at 6:21 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:42 pm EDT.
Sunshine
The average sunshine in May is 8.8h.UV index
May through July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Prospect Valley, WV
- Average high temperature in May: 72.5°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 (35.8°F).
- Average low temperature in May: 51.8°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in May
Prospect Valley, WV
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Prospect Valley, WV
- Average wind speed in May: 5.5mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in May
Prospect Valley, WV
- Average humidity in May: 79%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are July, August and November (77%).
Average rainfall in May
Prospect Valley, WV
- Average rainfall in May: 4.17"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in May
Prospect Valley, WV
- Average rainfall days in May: 20.4 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is November (11.8 days).
Average snowfall in May
Prospect Valley, WV
- Average snowfall in May: 0.59"
The month with the highest snowfall is January (7.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Prospect Valley, WV
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Prospect Valley, 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 48min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in May
Prospect Valley, WV
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is October (13.8 days).
The month with the least sunshine days is January (7.4 days).
Average UV index in May
Prospect Valley, 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
Prospect Valley, WV
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Prospect Valley, 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).
