May weather forecastStony, VA
May
Weather in May
The last month of the spring, May, is a moderately hot month in Stony, Virginia, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 73.4°F (23°C).Temperature
May witnesses an increase in the average high-temperature, moving from an enjoyable 64.4°F (18°C) in April to a moderately hot 73.4°F (23°C). Stony encounters a significant temperature differential, with an average low-temperature of 51.6°F (10.9°C) during May nights.Humidity
The average relative humidity in May is 79%.Rainfall
In Stony, in May, during 21.1 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. Throughout the year, in Stony, Virginia, there are 197.7 rainfall days, and 36.69" (932mm) of precipitation is accumulated.Snowfall
In Stony, snow does not fall in May through September.Daylight
In Stony, the average length of the day in May is 14h and 9min.On the first day of the month, sunrise is at 6:34 am and sunset at 8:18 pm. On the last day of May, sunrise is at 6:12 am and sunset at 8:43 pm EDT.
Sunshine
The average sunshine in May in Stony is 9.3h.UV index
In Stony, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 5 during May translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Stony, VA
- Average high temperature in May: 73.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in May: 51.6°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in May
Stony, VA
- 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
Stony, VA
- Average wind speed in May: 5.6mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in May
Stony, VA
- Average humidity in May: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
Stony, VA
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is February (3.86").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in May
Stony, VA
- Average rainfall days in May: 21.1 days
The months with the highest number of rainy days are May and July (21.1 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in May
Stony, VA
- Average snowfall in May: 0"
The month with the highest snowfall is February (5.08").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Stony, VA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Stony, VA
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 18min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Stony, VA
- Average sunshine days in May: 8.2 days
The months with the most sunshine days are October and November (15 days).
The month with the least sunshine days is February (7.7 days).
Average UV index in May
Stony, VA
- Average UV index in May: 5
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Stony, VA
- Average cloud cover in May: 41
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Stony, VA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





