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
A rise in the average high-temperature is observed during May, moving from an enjoyable 61.7°F (16.5°C) in April to an agreeable 71.4°F (21.9°C). Throughout May, a steady low-temperature average of 50.5°F (10.3°C) is noted.Humidity
In Flat Top, the average relative humidity in May is 80%.Rainfall
The wettest months are February and May, with an average 3.5" (89mm) of rainfall.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, Flat Top aggregates 0.31" (8mm) of snow. In Flat Top, during the entire year, snow falls for 62.6 days and aggregates up to 40.2" (1021mm) of snow.Daylight
In May, the average length of the day is 14h and 13min.On the first day of May, sunrise is at 6:27 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:39 pm EDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In Flat Top, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during May translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May in Flat Top?
How high is the UV index in May?
Average temperature in May
Flat Top, WV
- Average high temperature in May: 71.4°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in May
Flat Top, WV
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
Flat Top, WV
- Average wind speed in May: 5.9mph
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
Flat Top, 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
Flat Top, WV
- Average rainfall in May: 3.5"
The wettest months (with the highest rainfall) are February and May (3.5").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in May
Flat Top, WV
- Average rainfall days in May: 20.5 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in May
Flat Top, WV
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (9.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Flat Top, WV
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Flat Top, 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 months with the most sunshine are June, July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Flat Top, WV
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in May
Flat Top, WV
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Flat Top, WV
- Average cloud cover in May: 47
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in May
Flat Top, 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).
Flat Top, West Virginia, USA
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