May weather forecastSalem, WV
May
Weather in May
May, the last month of the spring in Salem, is a pleasant month, with an average temperature fluctuating between 52.3°F (11.3°C) and 73°F (22.8°C).Temperature
May witnesses an increase in the average high-temperature, moving from a comfortable 62.1°F (16.7°C) in April to an agreeable 73°F (22.8°C). During May nights, Salem witnesses a consistent average temperature of 52.3°F (11.3°C).Humidity
In May, the average relative humidity in Salem is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 20.6 days and accumulates 4.57" (116mm) 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, Salem aggregates 0.55" (14mm) of snow. In Salem, West Virginia, during the entire year, snow falls for 58.9 days and aggregates up to 29.41" (747mm) of snow.Daylight
The average length of the day in May is 14h and 21min.On the first day of May, sunrise is at 6:22 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:42 pm EDT.
Sunshine
In May, the average sunshine is 8.6h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 6 transforms into these recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Salem, WV
- Average high temperature in May: 73°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in May
Salem, WV
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Salem, WV
- Average wind speed in May: 5.4mph
The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Salem, WV
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, August and November (77%).
Average rainfall in May
Salem, WV
- Average rainfall in May: 4.57"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in May
Salem, WV
- Average rainfall days in May: 20.6 days
The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in May
Salem, WV
- Average snowfall in May: 0.55"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Salem, WV
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Salem, WV
- Average daylight in May: 14h and 18min
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 30min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Salem, WV
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is January (7.4 days).
Average UV index in May
Salem, 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, November and December (UV index 2).
Average cloud cover in May
Salem, WV
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Salem, 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).
