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
May's arrival brings a change in high-temperatures, moving from a refreshing 63.7°F (17.6°C) in April to a warm 73.4°F (23°C). The nighttime temperature, during May, averages of 52.3°F (11.3°C).Humidity
In London, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 20.8 days and typically aggregates up to 3.94" (100mm) 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, London aggregates 0.31" (8mm) of snow. Throughout the year, there are 45.1 snowfall days, and 22.2" (564mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 16min.On the first day of May, sunrise is at 6:27 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:42 pm EDT.
Sunshine
The average sunshine in May is 9h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Around midday, solar radiation is most harmful; hence, exposure should be limited. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May in London?
What is the rainiest month?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does London have in May?
What is the UV index reading in May?
Average temperature in May
London, WV
- Average high temperature in May: 73.4°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
London, WV
- Average pressure in May: 30.02"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
London, WV
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in May
London, WV
- Average humidity in May: 79%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall in May
London, 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 (1.85").
Average rainfall days in May
London, WV
- Average rainfall days in May: 20.8 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (12.1 days).
Average snowfall in May
London, WV
- Average snowfall in May: 0.31"
The month with the highest snowfall is January (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
London, WV
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
London, 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 36min).
- Average sunshine in May: 9h and 0min
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 42min).
Average sunshine days in May
London, WV
- Average sunshine days in May: 8.5 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in May
London, WV
- Average UV index in May: 5
The months with the highest UV index are 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
London, 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 34).
Average visibility in May
London, WV
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
London, West Virginia, USA
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