May weather forecastClay Junction, WV
May
Weather in May
The last month of the spring, May, is an agreeable month in Clay Junction, West Virginia, with an average temperature varying between 71.2°F (21.8°C) and 51.4°F (10.8°C).Temperature
The start of May brings a shift in the average high-temperature, increasing from April's enjoyable 61.3°F (16.3°C) to an agreeable 71.2°F (21.8°C). In May, in Clay Junction, the average low-temperature is a fresh 51.4°F (10.8°C).Humidity
In May, the average relative humidity is 80%.Rainfall
May is the month with the most rainfall. Rain falls for 23.3 days and accumulates 4.21" (107mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Clay Junction aggregates 0.39" (10mm) of snow. In Clay Junction, during the entire year, snow falls for 60.4 days and aggregates up to 38.62" (981mm) of snow.Daylight
The average length of the day in May is 14h and 17min.On the first day of the month, sunrise is at 6:26 am and sunset at 8:16 pm. On the last day of May, sunrise is at 6:02 am and sunset at 8:42 pm EDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
The average daily maximum UV index in May in Clay Junction is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Clay Junction, WV
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (36.5°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 (23.2°F).
Average pressure in May
Clay Junction, 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
Clay Junction, WV
- Average wind speed in May: 5.8mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Clay Junction, WV
- Average humidity in May: 80%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).
Average rainfall in May
Clay Junction, 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 (1.69").
Average rainfall days in May
Clay Junction, WV
- Average rainfall days in May: 23.3 days
The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is November (12.2 days).
Average snowfall in May
Clay Junction, WV
- Average snowfall in May: 0.39"
The month with the highest snowfall is January (8.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Clay Junction, WV
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Clay Junction, 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 30min).
- Average sunshine in May: 8h and 54min
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 48min).
Average sunshine days in May
Clay Junction, WV
- Average sunshine days in May: 6.1 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (6.1 days).
Average UV index in May
Clay Junction, WV
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Clay Junction, WV
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Clay Junction, 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).
