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 beginning of May marks a shift in the average high-temperature, moving from April's enjoyable 62.2°F (16.8°C) to a pleasant 71.2°F (21.8°C). Gratton witnesses an average low-temperature of 50.5°F (10.3°C) throughout the month of May.Humidity
In May, the average relative humidity is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 21.2 days and accumulates 3.31" (84mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Gratton aggregates 0.31" (8mm) of snow. In Gratton, Virginia, during the entire year, snow falls for 50.2 days and aggregates up to 28.07" (713mm) of snow.Daylight
The average length of the day in May in Gratton, Virginia, is 14h and 10min.On the first day of May, sunrise is at 6:30 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:39 pm EDT.
Sunshine
In May, the average sunshine is 9.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
What is the rainiest month in Gratton?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Gratton have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What are the months with the highest UV index?
How high is the UV index in May?
Average temperature in May
Gratton, VA
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in May
Gratton, VA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
Gratton, VA
- Average wind speed in May: 6.3mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Gratton, VA
- Average humidity in May: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (76%).
Average rainfall in May
Gratton, VA
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Gratton, VA
- Average rainfall days in May: 21.2 days
The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is January (10 days).
Average snowfall in May
Gratton, VA
- Average snowfall in May: 0.31"
The month with the highest snowfall is December (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Gratton, VA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Gratton, 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 42min).
- Average sunshine in May: 9h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in May
Gratton, VA
- Average sunshine days in May: 7.1 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (7.1 days).
Average UV index in May
Gratton, VA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Gratton, VA
- Average cloud cover in May: 44
The months with the most cloud cover are January and February (Cloud cover 57).
The months with the least cloud cover are June, July and August (Cloud cover 38).
Average visibility in May
Gratton, VA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Gratton, Virginia, USA
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