May weather forecast
Round Hill, VA

Weather in May

The last month of the spring, May, is a moderately hot month in Round Hill, Virginia, with an average temperature ranging between min 54°F (12.2°C) and max 73.8°F (23.2°C).

Temperature

In Round Hill, Virginia, the average high-temperature in May increases from a comfortable 64°F (17.8°C) in April to a warm 73.8°F (23.2°C). The average low-temperature, in Round Hill, is 54°F (12.2°C).

Humidity

In Round Hill, the average relative humidity in May is 77%.

Rainfall

The wettest months are May and August, with an average 3.35" (85mm) of rainfall.

Snowfall

May through September are months without snowfall in Round Hill.

Daylight

In Round Hill, Virginia, the average length of the day in May is 14h and 20min.
On the first day of the month, sunrise is at 6:12 am and sunset at 8:03 pm. On the last day of May, in Round Hill, sunrise is at 5:47 am and sunset at 8:30 pm EDT.

Sunshine

In Round Hill, the average sunshine in May is 8.9h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 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-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
[Resources]

FAQ

What is the average humidity in May in Round Hill?

In May, the average relative humidity in Round Hill is 77%.

What is the wettest month in Round Hill?

The wettest months in Round Hill, Virginia, are May and August, with an average 3.35" (85mm) of rainfall.

How many days does it rain in May in Round Hill?

In Round Hill, Virginia, in May, it is raining for 17.3 days, with typically 3.35" (85mm) of accumulated precipitation.

When it does not snow in Round Hill?

In Round Hill, Virginia, snow does not fall in May through September.

Does it snow in Round Hill in May?

In May, in Round Hill, Virginia, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May in Round Hill?

The average day length in May is 14h and 20min.

What time are sunrise and sunset in May in Round Hill?

In May, on the first day of the month, sunrise is at 6:12 am and sunset at 8:03 pm. On the last day of the month, in Round Hill, sunrise is at 5:47 am and sunset at 8:30 pm EDT.

How many hours of sunshine does Round Hill have in May?

The average sunshine duration in May in Round Hill is 8.9h.

What are the months with the highest UV index in Round Hill?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in May in Round Hill?

In May, the average daily maximum UV index in Round Hill is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Round Hill, VA

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).

[Resources]

Average pressure in May
Round Hill, VA

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).

[Resources]

Average wind speed in May
Round Hill, VA

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).

[Resources]

Average humidity in May
Round Hill, VA

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%).

[Resources]

Average rainfall in May
Round Hill, VA

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").

[Resources]

Average rainfall days in May
Round Hill, VA

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).

[Resources]

Average snowfall in May
Round Hill, VA

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").

[Resources]

Average snowfall days in May
Round Hill, VA

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).

[Resources]

Average daylight in May /
Average sunshine in May
Round Hill, VA

Average daylight in May / Average sunshine in May - Round Hill, VA
  • Average daylight in May: 14h and 20min

The month with the longest days is June (Average daylight: 14h and 53min).
The month with the shortest days is December (Average daylight: 9h and 28min).

  • Average sunshine in May: 8h and 54min

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).

[Resources]

Average sunshine days in May
Round Hill, VA

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).

[Resources]

Average UV index in May
Round Hill, VA

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).

[Resources]

Average cloud cover in May
Round Hill, VA

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).

[Resources]

Average visibility in May
Round Hill, VA

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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location