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 comfortable 62.1°F (16.7°C) in April to a pleasant 71.4°F (21.9°C). Glen Jean, during the month of May, experiences an average low-temperature of 51.1°F (10.6°C).Humidity
In May, the average relative humidity is 80%.Rainfall
May is the month with the most rainfall. Rain falls for 20.2 days and accumulates 2.52" (64mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Glen Jean aggregates 0.12" (3mm) of snow. Throughout the year, in Glen Jean, there are 52.4 snowfall days, and 15.91" (404mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 14min.On the first day of the month, sunrise is at 6:27 am and sunset at 8:15 pm. On the last day of May, sunrise is at 6:03 am and sunset at 8:40 pm EDT.
Sunshine
In Glen Jean, the average sunshine in May is 8.8h.UV index
In Glen Jean, West Virginia, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, an average UV index of 5 transforms into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
What is the wettest month?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Glen Jean have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Glen Jean have in May?
What is the UV index intensity in May?
Average temperature in May
Glen Jean, WV
- Average high temperature in May: 71.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in May
Glen Jean, 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
Glen Jean, WV
- Average wind speed in May: 5.9mph
The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Glen Jean, WV
- Average humidity in May: 80%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).
Average rainfall in May
Glen Jean, WV
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is November (1.18").
Average rainfall days in May
Glen Jean, WV
- Average rainfall days in May: 20.2 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in May
Glen Jean, WV
- Average snowfall in May: 0.12"
The months with the highest snowfall are January and March (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Glen Jean, WV
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Glen Jean, WV
- Average daylight in May: 14h and 1min
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: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Glen Jean, WV
- Average sunshine days in May: 9 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in May
Glen Jean, WV
- Average UV index in May: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Glen Jean, WV
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in May
Glen Jean, WV
- Average visibility in May: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January and September (4mi).
Glen Jean, West Virginia, USA
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