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
May's arrival coincides with a temperature rise, moving from April's comfortable 64°F (17.8°C) to a moderately hot 73.8°F (23.2°C). Nighttime temperatures in May average to a fresh 54°F (12.2°C) in Round Hill.Humidity
The average relative humidity in May in Round Hill is 77%.Rainfall
The months with the most rainfall in Round Hill are May and August, with an average 3.35" (85mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Round Hill, the average length of the day in May is 14h and 20min.On the first day of May in Round Hill, sunrise is at 6:11 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:30 pm EDT.
Sunshine
In May, the average sunshine in Round Hill is 8.9h.UV index
The months with the highest UV index in Round Hill are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 6 during May translates into the following guidance:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What are May temperatures in Round Hill?
What is the average humidity in May in Round Hill?
What is the rainiest month in Round Hill?
How many days does it rain in May in Round Hill?
When it does not snow in Round Hill?
Does it snow in Round Hill in May?
How many hours of daylight does Round Hill have in May?
What time are sunrise and sunset in May in Round Hill?
How many hours of sunshine does Round Hill have in May?
When is the highest UV index in Round Hill?
What is the UV index reading in May in Round Hill?
Average temperature in May
Round Hill, VA
- Average high temperature in May: 73.8°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in May: 54°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in May
Round Hill, 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
Round Hill, VA
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in May
Round Hill, VA
- Average humidity in May: 77%
The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in May
Round Hill, VA
- Average rainfall in May: 3.35"
The wettest months (with the highest rainfall) are May and August (3.35").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in May
Round Hill, VA
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (10.1 days).
Average snowfall in May
Round Hill, VA
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Round Hill, VA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.8 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
Round Hill, VA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in May
Round Hill, VA
- Average sunshine days in May: 11.1 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in May
Round Hill, 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, November and December (UV index 2).
Average cloud cover in May
Round Hill, VA
- Average cloud cover in May: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
Round Hill, VA
- Average visibility in May: 5mi
The months with the highest visibility are February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, May, September, October and December (5mi).
Round Hill, Virginia, USA
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