May weather forecastGlenhayes, WV
May
Weather in May
May, the last month of the spring in Glenhayes, is a warm month, with an average temperature fluctuating between 76.3°F (24.6°C) and 55°F (12.8°C).Temperature
The rise of average high-temperatures is seen in May, with an increase from a comfortable 65.8°F (18.8°C) in April to a moderately hot 76.3°F (24.6°C). During May, Glenhayes experiences an average low-temperature of 55°F (12.8°C) at night.Humidity
In May, the average relative humidity in Glenhayes is 77%.Rainfall
In Glenhayes, during May, the rain falls for 19.1 days and regularly aggregates up to 3.31" (84mm) of precipitation. In Glenhayes, during the entire year, the rain falls for 176.7 days and collects up to 33.82" (859mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day in Glenhayes is 14h and 14min.On the first day of May in Glenhayes, sunrise is at 6:32 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:46 pm EDT.
Sunshine
The average sunshine in May is 9.2h.UV index
The months with the highest UV index in Glenhayes are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 6 during May translates into the following guidance:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Glenhayes, WV
- Average high temperature in May: 76.3°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in May: 55°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 (26.1°F).
Average pressure in May
Glenhayes, 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
Glenhayes, WV
- Average wind speed in May: 5.7mph
The windiest months (with the highest average wind speed) are January, February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Glenhayes, WV
- Average humidity in May: 77%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in May
Glenhayes, WV
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in May
Glenhayes, WV
- Average rainfall days in May: 19.1 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in May
Glenhayes, WV
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Glenhayes, WV
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Glenhayes, WV
- Average daylight in May: 14h and 12min
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 12min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Glenhayes, WV
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in May
Glenhayes, 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
Glenhayes, WV
- Average cloud cover in May: 42
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
Glenhayes, WV
- Average visibility in May: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).





