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
The rise of average high-temperatures is seen in May, with an increase from an enjoyable 63.5°F (17.5°C) in April to a moderately hot 73.4°F (23°C). Throughout the month of May, Charles Town witnesses an average low-temperature of 52.5°F (11.4°C).Humidity
The months with the highest humidity in Charles Town are May, October and December, with an average relative humidity of 78%.Rainfall
The months with the most rainfall in Charles Town are May, July and August, with an average 3.15" (80mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows in Charles Town. During 0.1 snowfall days, in May, Charles Town aggregates 0.12" (3mm) of snow. Throughout the year, there are 23.9 snowfall days, and 15.55" (395mm) of snow is accumulated.Daylight
In Charles Town, the average length of the day in May is 14h and 21min.On the first day of the month, sunrise is at 6:11 am and sunset at 8:05 pm. On the last day of May, in Charles Town, sunrise is at 5:46 am and sunset at 8:31 pm EDT.
Sunshine
In Charles Town, the average sunshine in May is 8.8h.UV index
The months with the highest UV index in Charles Town are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 6 in May translates into these instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What is the usual temperature for Charles Town in May?
What are the most humid months in Charles Town?
What is the average humidity in May in Charles Town?
What is the rainiest month in Charles Town?
How many days does it rain in May in Charles Town?
What is the last month it snows in Charles Town?
What is the average length of the day in May in Charles Town?
When are sunrise and sunset in May in Charles Town?
How long on average sun shines in May in Charles Town?
When is the highest UV index in Charles Town?
What is the UV index reading in May in Charles Town?
Average temperature in May
Charles Town, WV
- Average high temperature in May: 73.4°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in May
Charles Town, WV
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Charles Town, WV
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Charles Town, WV
- Average humidity in May: 78%
The months with the highest relative humidity are May, October and December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in May
Charles Town, WV
- Average rainfall in May: 3.15"
The wettest months (with the highest rainfall) are May, July and August (3.15").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Charles Town, WV
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in May
Charles Town, WV
- Average snowfall in May: 0.12"
The month with the highest snowfall is January (4.17").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Charles Town, WV
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Charles Town, WV
- Average daylight in May: 14h and 2min
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 30min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in May
Charles Town, WV
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in May
Charles Town, 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, November and December (UV index 2).
Average cloud cover in May
Charles Town, WV
- Average cloud cover in May: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
Charles Town, WV
- Average visibility in May: 5mi
The months with the highest visibility are February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are January, May, September and October (5mi).
Charles Town, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location
