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
Noticing a change, the average high-temperature during May moves from April's moderate 59.5°F (15.3°C) to an agreeable 69.3°F (20.7°C). In May, the average low-temperature records at a frosty 49.1°F (9.5°C) during the nights.Humidity
The average relative humidity in May is 82%.Rainfall
The month with the most rainfall is May, when the rain falls for 21.9 days and typically aggregates up to 3.66" (93mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.5 snowfall days, in May, Kieffer aggregates 0.55" (14mm) of snow. Throughout the year, in Kieffer, there are 50.2 snowfall days, and 32.83" (834mm) of snow is accumulated.Daylight
In Kieffer, the average length of the day in May is 14h and 14min.On the first day of the month, sunrise is at 6:25 am and sunset at 8:13 pm. On the last day of May, sunrise is at 6:01 am and sunset at 8:38 pm EDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 5 in May translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Kieffer in May?
What is the average humidity in May?
What is the wettest month?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Kieffer have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Kieffer have in May?
When is the highest UV index?
What is the UV index reading in May?
Average temperature in May
Kieffer, WV
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in May: 49.1°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in May
Kieffer, 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
Kieffer, WV
- Average wind speed in May: 6mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Kieffer, WV
- Average humidity in May: 82%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are June, July and November (79%).
Average rainfall in May
Kieffer, WV
- Average rainfall in May: 3.66"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in May
Kieffer, WV
- Average rainfall days in May: 21.9 days
The month with the highest number of rainy days is May (21.9 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in May
Kieffer, WV
- Average snowfall in May: 0.55"
The month with the highest snowfall is February (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Kieffer, WV
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Kieffer, WV
- Average daylight in May: 14h and 1min
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 36min).
- Average sunshine in May: 8h and 2min
The months with the most sunshine are June and July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Kieffer, WV
- Average sunshine days in May: 7.4 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (7.4 days).
Average UV index in May
Kieffer, WV
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Kieffer, WV
- Average cloud cover in May: 51
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are June and August (Cloud cover 41).
Average visibility in May
Kieffer, WV
- Average visibility in May: 4mi
The months with the highest visibility are March, April, June, July and November (5mi).
The months with the lowest visibility are January, February, May, August, September, October and December (4mi).
Kieffer, West Virginia, USA
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