May weather forecastSandston, VA
May
Weather in May
The last month of the spring, May, is a moderately hot month in Sandston, Virginia, with an average temperature ranging between min 57.9°F (14.4°C) and max 78.1°F (25.6°C).Temperature
Sandston in May experiences an increase in the average high-temperature, moving from April's agreeable 68.4°F (20.2°C) to a moderately hot 78.1°F (25.6°C). Sandston encounters an average low-temperature of 57.9°F (14.4°C) during May nights.Humidity
In May, the average relative humidity is 75%.Rainfall
In Sandston, in May, it is raining for 14.8 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 133.2 rainfall days, and 18.94" (481mm) of precipitation is accumulated.Snowfall
In Sandston, snow does not fall in May through October.Daylight
In Sandston, the average length of the day in May is 14h and 12min.On the first day of May, sunrise is at 6:12 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:24 pm EDT.
Sunshine
The average sunshine in May is 9.2h.UV index
In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, an average UV index of 6 transforms into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sandston, VA
- Average high temperature in May: 78.1°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in May: 57.9°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in May
Sandston, 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
Sandston, VA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Sandston, VA
- Average humidity in May: 75%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Sandston, VA
- Average rainfall in May: 1.81"
The wettest month (with the highest rainfall) is August (2.05").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in May
Sandston, VA
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is May (14.8 days).
The months with the least rainy days are October and November (8.2 days).
Average snowfall in May
Sandston, VA
- Average snowfall in May: 0"
The month with the highest snowfall is March (0.67").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Sandston, VA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Sandston, 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days in May
Sandston, VA
- Average sunshine days in May: 14.4 days
The months with the most sunshine days are October and December (21.4 days).
The month with the least sunshine days is May (14.4 days).
Average UV index in May
Sandston, VA
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Sandston, VA
- Average cloud cover in May: 43
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Sandston, VA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
