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
The start of May brings a rise in the average high-temperature, moving from an enjoyable 65.5°F (18.6°C) in April to a moderately hot 75.2°F (24°C). During the month of May, the nighttime temperature falls to an average of 56.3°F (13.5°C).Humidity
The months with the highest humidity are May, October and December, with an average relative humidity of 77%.Rainfall
In Gunston Heights, Virginia, in May, during 18.1 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, there are 164.3 rainfall days, and 32.32" (821mm) of precipitation is accumulated.Snowfall
May through November are months without snowfall.Daylight
In May, the average length of the day is 14h and 18min.On the first day of the month, sunrise is at 6:10 am and sunset at 8:01 pm. On the last day of May, in Gunston Heights, Virginia, sunrise is at 5:46 am and sunset at 8:27 pm EDT.
Sunshine
In Gunston Heights, the average sunshine in May is 9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the UV index of 6 transforms into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What are the most humid months?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Gunston Heights have in May?
When is the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Gunston Heights, VA
- Average high temperature in May: 75.2°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in May: 56.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in May
Gunston Heights, 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
Gunston Heights, VA
- Average wind speed in May: 6.1mph
The windiest months (with the highest average wind speed) are March and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in May
Gunston Heights, VA
- Average humidity in May: 77%
The months with the highest relative humidity are May, October and December (77%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall in May
Gunston Heights, VA
- Average rainfall in May: 3.23"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in May
Gunston Heights, VA
- Average rainfall days in May: 18.1 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in May
Gunston Heights, VA
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.44").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in May
Gunston Heights, VA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.8 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
Gunston Heights, VA
- Average daylight in May: 14h and 2min
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 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days in May
Gunston Heights, VA
- Average sunshine days in May: 10.6 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in May
Gunston Heights, 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
Gunston Heights, VA
- Average cloud cover in May: 43
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
Gunston Heights, 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).
Gunston Heights, Virginia, USA
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