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
Kopperston's transition into May sees a rise in the average high-temperature, advancing from a comfortable 63.7°F (17.6°C) in April to a pleasant 73°F (22.8°C). Nightly temperatures drop to an average low of 52°F (11.1°C) in May.Humidity
In Kopperston, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 15.8 days and accumulates 1.85" (47mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Kopperston. May is the last month it regularly snows. During 0.3 snowfall days, in May, Kopperston aggregates 0.08" (2mm) of snow. In Kopperston, during the entire year, snow falls for 30.3 days and aggregates up to 8.66" (220mm) of snow.Daylight
The average length of the day in May is 14h and 13min.On the first day of May in Kopperston, sunrise is at 6:29 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:42 pm EDT.
Sunshine
In May, the average sunshine in Kopperston is 9.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Kopperston. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 6 transforms into these recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Kopperston in May?
What is the average humidity in May in Kopperston?
What is the rainiest month in Kopperston?
How much does it rain in Kopperston in May?
What is the last month it snows in Kopperston?
What is the average length of the day in May in Kopperston?
When is the sunrise / sunset in May in Kopperston?
How long on average sun shines in May in Kopperston?
When is the highest UV index in Kopperston?
How high is the UV index in May in Kopperston?
Average temperature in May
Kopperston, WV
- Average high temperature in May: 73°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in May: 52°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 (24.4°F).
Average pressure in May
Kopperston, 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
Kopperston, WV
- Average wind speed in May: 5.7mph
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 (4.1mph).
Average humidity in May
Kopperston, WV
- Average humidity in May: 79%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April, June, July, August and November (77%).
Average rainfall in May
Kopperston, WV
- Average rainfall in May: 1.85"
The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in May
Kopperston, WV
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in May
Kopperston, WV
- Average snowfall in May: 0.08"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Kopperston, WV
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Kopperston, 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: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Kopperston, WV
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in May
Kopperston, 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
Kopperston, WV
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Kopperston, WV
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Kopperston, West Virginia, USA
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