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
Williamsburg sees an increase in average high-temperatures during May, moving from a refreshing 66.7°F (19.3°C) in April to a warm 76.1°F (24.5°C). In Williamsburg, May is marked by an average low-temperature of 59.2°F (15.1°C).Humidity
The average relative humidity in May is 77%.Rainfall
In Williamsburg, Virginia, in May, during 15.9 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 148.7 rainfall days, and 20.35" (517mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 11min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:47 am and sunset at 8:21 pm EDT.
Sunshine
In May, the average sunshine is 9.5h.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 6 in May leads to these recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. 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. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
How many hours of daylight does Williamsburg have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Williamsburg, VA
- Average high temperature in May: 76.1°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in May: 59.2°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in May
Williamsburg, VA
- Average pressure in May: 30.02"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
Williamsburg, VA
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in May
Williamsburg, VA
- Average humidity in May: 77%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in May
Williamsburg, VA
- Average rainfall in May: 1.85"
The wettest month (with the highest rainfall) is August (2.36").
The driest months (with the least rainfall) are October and December (1.38").
Average rainfall days in May
Williamsburg, VA
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in May
Williamsburg, VA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Williamsburg, VA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Williamsburg, VA
- 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: 9h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in May
Williamsburg, VA
- Average sunshine days in May: 12.8 days
The months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is August (12.2 days).
Average UV index in May
Williamsburg, VA
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Williamsburg, VA
- Average cloud cover in May: 39
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Williamsburg, VA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Williamsburg, Virginia, USA
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