May weather forecastMcClellan, WV
May
Weather in May
The last month of the spring, May, is a pleasant month in McClellan, West Virginia, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 72.5°F (22.5°C).Temperature
The beginning of May signals a rise in the average high-temperature, moving from a comfortable 61.7°F (16.5°C) in April to an agreeable 72.5°F (22.5°C). In May, McClellan reports a consistent average low-temperature of 51.6°F (10.9°C) during the nights.Humidity
In McClellan, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 21.3 days and typically aggregates up to 4.53" (115mm) 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, McClellan aggregates 0.24" (6mm) of snow. In McClellan, during the entire year, snow falls for 52.1 days and aggregates up to 24.21" (615mm) of snow.Daylight
In May, the average length of the day is 14h and 22min.On the first day of May, sunrise is at 6:20 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:42 pm EDT.
Sunshine
In McClellan, the average sunshine in May is 8.5h.UV index
The months with the highest UV index are May and July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
McClellan, WV
- Average high temperature in May: 72.5°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in May: 51.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in May
McClellan, 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
McClellan, WV
- Average wind speed in May: 5.5mph
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
McClellan, 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
McClellan, WV
- Average rainfall in May: 4.53"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in May
McClellan, WV
- Average rainfall days in May: 21.3 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in May
McClellan, WV
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
McClellan, WV
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
McClellan, 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: 2h and 54min).
Average sunshine days in May
McClellan, WV
- Average sunshine days in May: 7.8 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.8 days).
Average UV index in May
McClellan, WV
- Average UV index in May: 6
The months with the highest UV index are May 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
McClellan, WV
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
McClellan, 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).





