May weather forecastWinfield, WV
May
Weather in May
May, the last month of the spring in Winfield, is a moderately hot month, with an average temperature ranging between min 54.9°F (12.7°C) and max 75.7°F (24.3°C).Temperature
May's onset witnesses a shift in the average high-temperature, moving from an enjoyable 65.1°F (18.4°C) in April to a moderately hot 75.7°F (24.3°C). In May, Winfield experiences an average nighttime temperature of 54.9°F (12.7°C).Humidity
The average relative humidity in May is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 19.8 days and typically aggregates up to 3.9" (99mm) of precipitation.Snowfall
In Winfield, snow does not fall in May through September.Daylight
In Winfield, the average length of the day in May is 14h and 17min.On the first day of the month, sunrise is at 6:29 am and sunset at 8:19 pm. On the last day of May, sunrise is at 6:05 am and sunset at 8:45 pm EDT.
Sunshine
In May, the average sunshine is 9h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during May leads to these instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Winfield, 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
Winfield, 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
Winfield, 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
Winfield, 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
Winfield, 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
Winfield, 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
Winfield, 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
Winfield, 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
Winfield, 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
Winfield, 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
Winfield, 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
Winfield, 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
Winfield, 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).





