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
In Grays, the average high-temperature in May increases from a refreshing 66.2°F (19°C) in April to a warm 75.2°F (24°C). The nighttime average for Grays in May plummets considerably from its daytime counterpart, resting at a cool 53.1°F (11.7°C).Humidity
In Grays, the average relative humidity in May is 77%.Rainfall
In May, the rain falls for 19.2 days. Throughout May, 2.91" (74mm) of precipitation is accumulated. Throughout the year, there are 186.6 rainfall days, and 33.15" (842mm) of precipitation is accumulated.Snowfall
In Grays, snow does not fall in May through September.Daylight
In Grays, the average length of the day in May is 14h and 9min.On the first day of the month, sunrise is at 6:35 am and sunset at 8:19 pm. On the last day of May, sunrise is at 6:12 am and sunset at 8:43 pm EDT.
Sunshine
The average sunshine in May is 9.8h.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 risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 6 in May translates into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How much 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 long on average sun shines in May?
What are the months with the highest UV index?
What is the UV index reading in May?
Average temperature in May
Grays, VA
- Average high temperature in May: 75.2°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in May
Grays, 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
Grays, VA
- Average wind speed in May: 5.3mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in May
Grays, VA
- Average humidity in May: 77%
The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are June, July, August, September and November (75%).
Average rainfall in May
Grays, VA
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is February (3.82").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in May
Grays, VA
- Average rainfall days in May: 19.2 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in May
Grays, VA
- Average snowfall in May: 0"
The month with the highest snowfall is December (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Grays, VA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grays, VA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in May
Grays, VA
- Average sunshine days in May: 9.6 days
The months with the most sunshine days are October and November (16.3 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in May
Grays, 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 and December (UV index 2).
Average cloud cover in May
Grays, VA
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Grays, VA
- Average visibility in May: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Grays, Virginia, USA
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