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 brings a temperature increase, with average high-temperatures moving from April's refreshing 64°F (17.8°C) to a warm 73.8°F (23.2°C). Round Hill records an average low of 54°F (12.2°C) throughout the nights in May.Humidity
The average relative humidity in May in Round Hill is 77%.Rainfall
The wettest months are May and August, with an average 3.35" (85mm) of rainfall.Snowfall
In Round Hill, snow does not fall in May through September.Daylight
In Round Hill, the average length of the day in May is 14h and 20min.On the first day of the month, sunrise is at 6:11 am and sunset at 8:04 pm. On the last day of May, sunrise is at 5:46 am and sunset at 8:30 pm EDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Deflect overexposure. Sun protection is a necessity. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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?
How much does it rain in May?
When it does not snow?
Does it snow 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?
What are the months with the highest UV index?
What is the UV index intensity in May?
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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