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
Bethany's transition into May brings a rise in the average high-temperature, moving from a moderate 60.4°F (15.8°C) in April to a pleasant 72.1°F (22.3°C). May nights cool down to an average low-temperature of 51.1°F (10.6°C).Humidity
In Bethany, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 18.4 days and typically aggregates up to 2.17" (55mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Bethany aggregates 0.16" (4mm) of snow. Throughout the year, there are 33.4 snowfall days, and 9.96" (253mm) of snow is accumulated.Daylight
In Bethany, the average length of the day in May is 14h and 25min.On the first day of May, sunrise is at 6:20 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:45 pm EDT.
Sunshine
In May, the average sunshine is 8.6h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In May, a regular UV index of 6 translates into these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
What is the wettest month in Bethany?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Bethany have in May?
When is the highest UV index?
What is the UV index reading in May?
Average temperature in May
Bethany, WV
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in May
Bethany, WV
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Bethany, WV
- Average wind speed in May: 5.9mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in May
Bethany, WV
- Average humidity in May: 79%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Bethany, WV
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in May
Bethany, WV
- Average rainfall days in May: 18.4 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in May
Bethany, WV
- Average snowfall in May: 0.16"
The months with the highest snowfall are February and March (2.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Bethany, WV
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Bethany, WV
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Bethany, WV
- Average sunshine days in May: 9.9 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in May
Bethany, WV
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Bethany, WV
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Bethany, 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).
Bethany, West Virginia, USA
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