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 Long Island, the onset of May comes with a modest high-temperature shift, transitioning from April's agreeable 68°F (20°C) to a warm 76.6°F (24.8°C). An average low-temperature of 55.9°F (13.3°C) is observed in Long Island, Virginia, during the May nights.Humidity
May and December, with an average relative humidity of 76%, are the most humid months.Rainfall
May is the month with the most rainfall in Long Island. Rain falls for 17.8 days and accumulates 3.39" (86mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day in Long Island, Virginia, is 14h and 10min.On the first day of May in Long Island, sunrise is at 6:20 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:30 pm EDT.
Sunshine
The average sunshine in May is 9.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 6 suggests these recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the usual temperature for Long Island in May?
What is the most humid month in Long Island?
What is the average humidity in May in Long Island?
What is the wettest month in Long Island?
How much does it rain in Long Island in May?
When it does not snow in Long Island?
Does it snow in Long Island in May?
What is the average length of the day in May in Long Island?
When are sunrise and sunset in May in Long Island?
How many hours of sunshine does Long Island have in May?
When is the highest UV index in Long Island?
How high is the UV index in May in Long Island?
Average temperature in May
Long Island, VA
- Average high temperature in May: 76.6°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (43.5°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in May
Long Island, VA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Long Island, VA
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Long Island, VA
- Average humidity in May: 76%
The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Long Island, VA
- Average rainfall in May: 3.39"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in May
Long Island, VA
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in May
Long Island, VA
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Long Island, VA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Long Island, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in May
Long Island, VA
- Average sunshine days in May: 11 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11 days).
Average UV index in May
Long Island, 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
Long Island, VA
- Average cloud cover in May: 40
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in May
Long Island, VA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Long Island, Virginia, USA
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