Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's arrival sees a rise in the average high-temperature, jumping from April's refreshing 64°F (17.8°C) to a moderately hot 74.8°F (23.8°C). May witnesses an average nighttime temperature of 53.8°F (12.1°C).Humidity
The average relative humidity in May is 78%.Rainfall
The month with the most rainfall in Wallback is May, when the rain falls for 21.3 days and typically aggregates up to 4.37" (111mm) of precipitation.Snowfall
Months with snowfall in Wallback are January through May, October through December. May is the last month it regularly snows in Wallback. During 0.1 snowfall days, in May, Wallback aggregates 0.28" (7mm) of snow. In Wallback, during the entire year, snow falls for 46.8 days and aggregates up to 20.04" (509mm) of snow.Daylight
In Wallback, the average length of the day in May is 14h and 17min.On the first day of May in Wallback, sunrise is at 6:26 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:42 pm EDT.
Sunshine
The average sunshine in May in Wallback is 8.9h.UV index
The average daily maximum UV index in May in Wallback is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 in May translates into these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Wallback in May?
What is the average humidity in May in Wallback?
What is the wettest month in Wallback?
How much does it rain in Wallback in May?
What is the last month it snows in Wallback?
What is the average length of the day in May in Wallback?
When is the sunrise / sunset in May in Wallback?
How long on average sun shines in May in Wallback?
How high is the UV index in May in Wallback?
Average temperature in May
Wallback, WV
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in May: 53.8°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Wallback, WV
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Wallback, WV
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in May
Wallback, WV
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June and August (76%).
Average rainfall in May
Wallback, WV
- Average rainfall in May: 4.37"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in May
Wallback, 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 November (11.5 days).
Average snowfall in May
Wallback, WV
- Average snowfall in May: 0.28"
The month with the highest snowfall is January (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Wallback, WV
- Average snowfall days in May: 0.1 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
Wallback, WV
- Average daylight in May: 14h and 2min
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 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Wallback, WV
- Average sunshine days in May: 7.9 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (7.9 days).
Average UV index in May
Wallback, WV
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Wallback, 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 33).
Average visibility in May
Wallback, WV
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
Wallback, West Virginia, USA
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