May weather forecastGrippe, WV
May
Weather in May
The last month of the spring, May, is a warm month in Grippe, West Virginia, with an average temperature fluctuating between 54°F (12.2°C) and 74.8°F (23.8°C).Temperature
Noticing a change, the average high-temperature during May moves from April's refreshing 64.9°F (18.3°C) to a moderately hot 74.8°F (23.8°C). An average low-temperature of 54°F (12.2°C) is common during the nights of May.Humidity
The average relative humidity in May is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 20.1 days and typically aggregates up to 4.02" (102mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Grippe aggregates 0.28" (7mm) of snow. In Grippe, during the entire year, snow falls for 33.1 days and aggregates up to 14.65" (372mm) of snow.Daylight
In May, the average length of the day is 14h and 16min.On the first day of May, sunrise is at 6:29 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:44 pm EDT.
Sunshine
The average sunshine in May is 9h.UV index
May, June and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 6 during May translates into these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. 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. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Grippe, WV
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in May: 54°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in May
Grippe, 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
Grippe, WV
- Average wind speed in May: 5.5mph
The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Grippe, WV
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).
Average rainfall in May
Grippe, WV
- Average rainfall in May: 4.02"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Grippe, WV
- Average rainfall days in May: 20.1 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in May
Grippe, WV
- Average snowfall in May: 0.28"
The month with the highest snowfall is January (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Grippe, WV
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grippe, WV
- Average daylight in May: 14h and 18min
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 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Grippe, WV
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in May
Grippe, WV
- Average UV index in May: 6
The months with the highest UV index are May, 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
Grippe, 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 33).
Average visibility in May
Grippe, 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).





