May weather forecastLake Barcroft, VA
May
Weather in May
May, the last month of the spring in Lake Barcroft, is a warm month, with an average temperature varying between 56.7°F (13.7°C) and 74.8°F (23.8°C).Temperature
The shift into May is marked by a rise in the average high-temperature, moving from April's enjoyable 65.3°F (18.5°C) to a moderately hot 74.8°F (23.8°C). In Lake Barcroft, an average low-temperature of 56.7°F (13.7°C) is recorded during May nights.Humidity
In Lake Barcroft, the average relative humidity in May is 76%.Rainfall
In May, the rain falls for 18.2 days. Throughout May, 3.15" (80mm) of precipitation is accumulated. In Lake Barcroft, during the entire year, the rain falls for 161.2 days and collects up to 31.54" (801mm) of precipitation.Snowfall
In Lake Barcroft, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 19min.On the first day of the month, sunrise is at 6:09 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:45 am and sunset at 8:27 pm EDT.
Sunshine
In May, the average sunshine 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 value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In May, a regular UV index of 6 translates into these guidelines:
Prevent overexposure. Protection from the sun's harmful effects is needed. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Lake Barcroft, VA
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in May: 56.7°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in May
Lake Barcroft, VA
- Average pressure in May: 30.01"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
Lake Barcroft, VA
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Lake Barcroft, VA
- Average humidity in May: 76%
The month with the highest relative humidity is October (77%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall in May
Lake Barcroft, VA
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in May
Lake Barcroft, VA
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in May
Lake Barcroft, VA
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Lake Barcroft, VA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.9 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
Lake Barcroft, VA
- 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days in May
Lake Barcroft, VA
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in May
Lake Barcroft, 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, November and December (UV index 2).
Average cloud cover in May
Lake Barcroft, VA
- Average cloud cover in May: 42
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
Lake Barcroft, 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).





