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
Harper, West Virginia, experiences a temperature shift with the start of May, with average high-temperatures moving from a refreshing 62.4°F (16.9°C) in April to an agreeable 71.6°F (22°C). Nightly temperatures drop to an average low of 51.1°F (10.6°C) in May.Humidity
The average relative humidity in May is 80%.Rainfall
The month with the most rainfall is May, when the rain falls for 22.3 days and typically aggregates up to 3.94" (100mm) of precipitation.Snowfall
Months with snowfall in Harper are January through May, October through December. May is the last month it regularly snows in Harper. During 0.3 snowfall days, in May, Harper aggregates 0.43" (11mm) of snow. Throughout the year, there are 60.8 snowfall days, and 39.41" (1001mm) of snow is accumulated.Daylight
In Harper, the average length of the day in May is 14h and 14min.On the first day of the month, sunrise is at 6:28 am and sunset at 8:15 pm. On the last day of May, in Harper, sunrise is at 6:04 am and sunset at 8:41 pm EDT.
Sunshine
In Harper, the average sunshine in May is 8.9h.UV index
In May, the average daily maximum UV index in Harper is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Harper in May?
What is the average humidity in May in Harper?
What is the rainiest month in Harper?
How much does it rain in Harper in May?
What is the last month it snows in Harper?
How many hours of daylight does Harper have in May?
When is the sunrise / sunset in May in Harper?
How many hours of sunshine does Harper have in May?
What is the UV index reading in May in Harper?
Average temperature in May
Harper, WV
- Average high temperature in May: 71.6°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 (37°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in May
Harper, 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
Harper, WV
- Average wind speed in May: 5.9mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Harper, WV
- Average humidity in May: 80%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April, June, July, August and November (78%).
Average rainfall in May
Harper, WV
- Average rainfall in May: 3.94"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Harper, WV
- Average rainfall days in May: 22.3 days
The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in May
Harper, WV
- Average snowfall in May: 0.43"
The month with the highest snowfall is January (8.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Harper, WV
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Harper, WV
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Harper, WV
- Average sunshine days in May: 7 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is May (7 days).
Average UV index in May
Harper, WV
- Average UV index in May: 5
The months with the highest UV index are June 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
Harper, WV
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in May
Harper, WV
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
Harper, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location