May weather forecastOpekiska, WV
May
Weather in May
The last month of the spring, May, is an agreeable month in Opekiska, West Virginia, with an average temperature fluctuating between 72.1°F (22.3°C) and 51.4°F (10.8°C).Temperature
The start of May is characterized by an increase in the average high-temperature, transitioning from an enjoyable 61.3°F (16.3°C) in April to a pleasant 72.1°F (22.3°C). Opekiska observes an average low-temperature of 51.4°F (10.8°C) during May.Humidity
In Opekiska, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 20.3 days and accumulates 4.21" (107mm) 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, Opekiska aggregates 0.51" (13mm) of snow. In Opekiska, during the entire year, snow falls for 58.4 days and aggregates up to 29.09" (739mm) of snow.Daylight
In Opekiska, the average length of the day in May is 14h and 22min.On the first day of May, sunrise is at 6:20 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:41 pm EDT.
Sunshine
In Opekiska, the average sunshine in May is 8.5h.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 6 during May morphs into the following directions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Opekiska, WV
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in May
Opekiska, WV
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Opekiska, WV
- Average wind speed in May: 5.6mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Opekiska, WV
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in May
Opekiska, WV
- Average rainfall in May: 4.21"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in May
Opekiska, WV
- Average rainfall days in May: 20.3 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in May
Opekiska, WV
- Average snowfall in May: 0.51"
The month with the highest snowfall is January (7.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Opekiska, WV
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Opekiska, WV
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Opekiska, WV
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in May
Opekiska, WV
- Average UV index in May: 6
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Opekiska, WV
- Average cloud cover in May: 47
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in May
Opekiska, WV
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).





