May weather forecastMannington, WV
May
Weather in May
May witnesses a delightful transition as Mannington steps into the initial phase of summer. Rising from 61.7°F (16.5°C) in April, the mercury hits a high of 72.5°F (22.5°C) in May, signifying the end of springtime. The pleasant daytime temperatures under the poor sunshine of just 8.5 per day, combined with mild spells of rain, create an ideal collage of summer and spring. May is an excellent time to stroll in the city’s parks, enjoy picnics, or partake in the glee of the outdoor festivities.Temperature
With the onset of May, Mannington's average high-temperature experiences a rise, moving from April's comfortable 61.7°F (16.5°C) to a pleasant 72.5°F (22.5°C). In May, Mannington records an average nighttime temperature of 51.6°F (10.9°C).Humidity
In May, the average relative humidity is 79%.Rainfall
May is the month with the most rainfall in Mannington. Rain falls for 21.3 days and accumulates 4.53" (115mm) of precipitation.Snowfall
Months with snowfall in Mannington are January through May, October through December. May is the last month it regularly snows in Mannington, West Virginia. During 0.2 snowfall days, in May, Mannington aggregates 0.24" (6mm) of snow. Throughout the year, in Mannington, there are 52.1 snowfall days, and 24.21" (615mm) of snow is accumulated.Daylight
The average length of the day in May in Mannington, West Virginia, is 14h and 22min.On the first day of May in Mannington, sunrise is at 6:21 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:42 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
The months with the highest UV index are May and July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard 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:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Mannington, WV
- Average high temperature in May: 72.5°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in May: 51.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in May
Mannington, 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
Mannington, WV
- Average wind speed in May: 5.5mph
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
Mannington, 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
Mannington, WV
- Average rainfall in May: 4.53"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in May
Mannington, WV
- Average rainfall days in May: 21.3 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in May
Mannington, WV
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Mannington, WV
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Mannington, 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: 2h and 54min).
Average sunshine days in May
Mannington, WV
- Average sunshine days in May: 7.8 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.8 days).
Average UV index in May
Mannington, WV
- Average UV index in May: 6
The months with the highest UV index are May 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
Mannington, WV
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
Mannington, 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).





