Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
South Charleston experiences a temperature shift with the start of May, with average high-temperatures moving from a refreshing 64.8°F (18.2°C) in April to a moderately hot 74.8°F (23.8°C). Nighttime temperatures in May average to a fresh 54.1°F (12.3°C).Humidity
In South Charleston, the average relative humidity in May is 78%.Rainfall
The month with the most rainfall in South Charleston is May, when the rain falls for 20.1 days and typically aggregates up to 3.94" (100mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in South Charleston. May is the last month it regularly snows. During 0.3 snowfall days, in May, South Charleston aggregates 0.31" (8mm) of snow. Throughout the year, there are 46.8 snowfall days, and 22.01" (559mm) of snow is accumulated.Daylight
In South Charleston, the average length of the day in May is 14h and 16min.On the first day of May, sunrise is at 6:28 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:44 pm EDT.
Sunshine
In May, the average sunshine is 9h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in South Charleston. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 6 in May translates into these instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the usual temperature for South Charleston in May?
What is the average humidity in May in South Charleston?
What is the rainiest month in South Charleston?
How much does it rain in South Charleston in May?
What is the last month it snows in South Charleston?
What is the average length of the day in May in South Charleston?
What time are sunrise and sunset in May in South Charleston?
How long on average sun shines in May in South Charleston?
When is the highest UV index in South Charleston?
How high is the UV index in May in South Charleston?
Average temperature in May
South Charleston, WV
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in May
South Charleston, WV
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
South Charleston, WV
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
South Charleston, WV
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).
Average rainfall in May
South Charleston, WV
- Average rainfall in May: 3.94"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in May
South Charleston, WV
- Average rainfall days in May: 20.1 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (11 days).
Average snowfall in May
South Charleston, WV
- Average snowfall in May: 0.31"
The month with the highest snowfall is January (5.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
South Charleston, WV
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
South Charleston, WV
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
South Charleston, WV
- Average sunshine days in May: 9.5 days
The months with the most sunshine days are October and November (16.5 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in May
South Charleston, WV
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
South Charleston, WV
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
South Charleston, WV
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
South Charleston, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location
