May weather forecastArrington, VA
May
Weather in May
May, the last month of the spring in Arrington, is a warm month, with an average temperature varying between 73.9°F (23.3°C) and 53.1°F (11.7°C).Temperature
The shift into May brings an increase in the average high-temperature, moving from a comfortable 64.6°F (18.1°C) in April to a warm 73.9°F (23.3°C). During the month of May, an average temperature of 53.1°F (11.7°C) is noted during the nights.Humidity
The months with the highest humidity are May, September, October and December, with an average relative humidity of 77%.Rainfall
May is the month with the most rainfall. Rain falls for 19.3 days and accumulates 3.58" (91mm) of precipitation.Snowfall
May through September are months without snowfall in Arrington, Virginia.Daylight
The average length of the day in May is 14h and 13min.On the first day of May in Arrington, sunrise is at 6:18 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:31 pm EDT.
Sunshine
In Arrington, the average sunshine in May is 9.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In May, a daily UV index of 6 turns into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Arrington, VA
- Average high temperature in May: 73.9°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (40.8°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in May
Arrington, VA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Arrington, VA
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Arrington, VA
- Average humidity in May: 77%
The months with the highest relative humidity are May, September, October and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in May
Arrington, VA
- Average rainfall in May: 3.58"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in May
Arrington, VA
- Average rainfall days in May: 19.3 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in May
Arrington, VA
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.9").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Arrington, VA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Arrington, VA
- Average daylight in May: 14h and 12min
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 6min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Arrington, VA
- Average sunshine days in May: 10.1 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in May
Arrington, VA
- 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, November and December (UV index 2).
Average cloud cover in May
Arrington, VA
- Average cloud cover in May: 43
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
Arrington, VA
- Average visibility in May: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
