May weather forecastBuffalo, WV
May
Weather in May
The last month of the spring, May, is a warm month in Buffalo, West Virginia, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 54.9°F (12.7°C).Temperature
With the arrival of May, the average high-temperature transitions from an enjoyable 65.1°F (18.4°C) in April to a warm 75.7°F (24.3°C). Buffalo experiences an average low-temperature of 54.9°F (12.7°C) in the month of May.Humidity
In Buffalo, the average relative humidity in May is 78%.Rainfall
May is the month with the most rainfall. Rain falls for 19.8 days and accumulates 3.9" (99mm) of precipitation.Snowfall
In Buffalo, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 17min.On the first day of the month, sunrise is at 6:29 am and sunset at 8:20 pm. On the last day of May, sunrise is at 6:05 am and sunset at 8:46 pm EDT.
Sunshine
The average sunshine in May is 9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 6 in May leads to these guidelines:
Shield from overexposure. Defense against sun-related harm is required. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Buffalo, WV
- Average high temperature in May: 75.7°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in May: 54.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in May
Buffalo, WV
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Buffalo, WV
- Average wind speed in May: 5.6mph
The windiest months (with the highest average wind speed) are January and February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Buffalo, WV
- Average humidity in May: 78%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in May
Buffalo, WV
- Average rainfall in May: 3.9"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in May
Buffalo, WV
- Average rainfall days in May: 19.8 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in May
Buffalo, WV
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Buffalo, WV
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Buffalo, WV
- Average daylight in May: 14h and 18min
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 30min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Buffalo, WV
- Average sunshine days in May: 8.6 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (8.6 days).
Average UV index in May
Buffalo, 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 and December (UV index 2).
Average cloud cover in May
Buffalo, 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 32).
Average visibility in May
Buffalo, 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).





