May weather forecastSummerlee, WV
May
Weather in May
The last month of the spring, May, is an agreeable month in Summerlee, West Virginia, with an average temperature ranging between min 51.4°F (10.8°C) and max 71.2°F (21.8°C).Temperature
With the onset of May, Summerlee experiences a temperature shift, with the average high-temperature moving from a refreshing 61.3°F (16.3°C) in April to an agreeable 71.2°F (21.8°C). In Summerlee, the expected average low-temperature for May is a fresh 51.4°F (10.8°C).Humidity
In Summerlee, the average relative humidity in May is 80%.Rainfall
The month with the most rainfall in Summerlee, West Virginia, is May, when the rain falls for 21.8 days and typically aggregates up to 3.9" (99mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Summerlee. May is the last month it regularly snows in Summerlee. During 0.3 snowfall days, in May, Summerlee aggregates 0.39" (10mm) of snow. Throughout the year, there are 54.9 snowfall days, and 35.28" (896mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 14min.On the first day of May, sunrise is at 6:27 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:41 pm EDT.
Sunshine
In Summerlee, the average sunshine in May is 8.5h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 5 in May translates into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. 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
Summerlee, WV
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in May
Summerlee, 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
Summerlee, 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
Summerlee, 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
Summerlee, WV
- Average rainfall in May: 3.9"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in May
Summerlee, WV
- Average rainfall days in May: 21.8 days
The month with the highest number of rainy days is May (21.8 days).
The months with the least rainy days are February and November (10.5 days).
Average snowfall in May
Summerlee, WV
- Average snowfall in May: 0.39"
The month with the highest snowfall is February (7.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Summerlee, WV
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Summerlee, 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: 8h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Summerlee, WV
- Average sunshine days in May: 7.8 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is May (7.8 days).
Average UV index in May
Summerlee, WV
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Summerlee, WV
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in May
Summerlee, 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).
