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 temperature shift, moving from a comfortable 65.8°F (18.8°C) in April to a moderately hot 75.6°F (24.2°C). In Selwyn, the average temperature during the nights of May marks a significant drop from the daily high, settling at a fresh 54°F (12.2°C).Humidity
In Selwyn, the average relative humidity in May is 78%.Rainfall
The wettest months in Selwyn are February and May, with an average 3.27" (83mm) of rainfall.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Selwyn, West Virginia. During 0.3 snowfall days, in May, Selwyn aggregates 0.2" (5mm) of snow. Throughout the year, there are 32.9 snowfall days, and 16.81" (427mm) of snow is accumulated.Daylight
The average length of the day in May in Selwyn is 14h and 14min.On the first day of the month, sunrise is at 6:32 am and sunset at 8:20 pm. On the last day of May, sunrise is at 6:09 am and sunset at 8:45 pm EDT.
Sunshine
In Selwyn, West Virginia, the average sunshine in May is 9.3h.UV index
In Selwyn, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the average May temperature in Selwyn?
What is the average humidity in May in Selwyn?
What is the wettest month in Selwyn?
How many days does it rain in May in Selwyn?
What is the last month it snows in Selwyn?
How many hours of daylight does Selwyn have in May?
When are sunrise and sunset in May in Selwyn?
How many hours of sunshine does Selwyn have in May?
What is the UV index intensity in May in Selwyn?
Average temperature in May
Selwyn, WV
- Average high temperature in May: 75.6°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in May: 54°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in May
Selwyn, 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
Selwyn, WV
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in May
Selwyn, WV
- Average humidity in May: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are July, August and November (75%).
Average rainfall in May
Selwyn, WV
- Average rainfall in May: 3.27"
The wettest months (with the highest rainfall) are February and May (3.27").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in May
Selwyn, WV
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in May
Selwyn, WV
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Selwyn, WV
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Selwyn, WV
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Selwyn, WV
- Average sunshine days in May: 10.5 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in May
Selwyn, WV
- Average UV index in May: 5
The months with the highest UV index are June 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
Selwyn, WV
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Selwyn, 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).
Selwyn, West Virginia, USA
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