August weather forecast
Round Hill, VA

Weather in August

The last month of the summer, August, is another warm month in Round Hill, Virginia, with an average temperature varying between 64°F (17.8°C) and 84.6°F (29.2°C).

Temperature

In Round Hill, the average high-temperature in August is practically the same as in July - a warm 84.6°F (29.2°C). In August, in Round Hill, Virginia, the average low-temperature is 64°F (17.8°C).

Heat index

The average heat index in August is appraised at a hot 93.6°F (34.2°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, wind, clothing, and differences in body mass, height, and shape affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Round Hill, the average relative humidity in August is 75%.

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 August, the average length of the day in Round Hill is 13h and 39min.
On the first day of August in Round Hill, sunrise is at 6:11 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:43 pm EDT.

Sunshine

In August, the average sunshine in Round Hill is 10.3h.

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 estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in Round Hill?

In August, in Round Hill, Virginia, the average high-temperature is 84.6°F (29.2°C), and the average low-temperature is 64°F (17.8°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is appraised at 93.6°F (34.2°C).

What is the average humidity in August in Round Hill?

The average relative humidity in August in Round Hill is 75%.

What is the wettest month in Round Hill?

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

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

In Round Hill, in August, it is raining for 16.7 days, with typically 3.35" (85mm) of accumulated precipitation.

When it does not snow in Round Hill?

May through September are months without snowfall in Round Hill.

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

In Round Hill, Virginia, the average day length in August is 13h and 39min.

When is the sunrise / sunset in August in Round Hill?

In August, on the first day of the month, sunrise is at 6:11 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:43 pm EDT.

How long on average sun shines in August in Round Hill?

The average sunshine duration in August is 10.3h.

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 intensity in August in Round Hill?

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Round Hill, VA

Average temperature in August - Round Hill, VA
  • Average high temperature in August: 84.6°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 August: 64°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).

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Average pressure in August
Round Hill, VA

Average pressure in August - Round Hill, VA
  • Average pressure in August: 30"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).

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Average wind speed in August
Round Hill, VA

Average wind speed in August - Round Hill, VA
  • Average wind speed in August: 4.4mph

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).

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Average humidity in August
Round Hill, VA

Average humidity in August - Round Hill, VA
  • Average humidity in August: 75%

The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (73%).

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Average rainfall in August
Round Hill, VA

Average rainfall in August - Round Hill, VA
  • Average rainfall in August: 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").

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Average rainfall days in August
Round Hill, VA

Average rainfall days in August - Round Hill, VA
  • Average rainfall days in August: 16.7 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).

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Average snowfall in August
Round Hill, VA

Average snowfall in August - Round Hill, VA
  • Average snowfall in August: 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").

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Average snowfall days in August
Round Hill, VA

Average snowfall days in August - Round Hill, VA
  • Average snowfall days in August: 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).

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

Average daylight in August / Average sunshine in August - Round Hill, VA
  • Average daylight in August: 13h and 39min

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 August: 10h and 18min

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).

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Average sunshine days in August
Round Hill, VA

Average sunshine days in August - Round Hill, VA
  • Average sunshine days in August: 12.2 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).

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Average UV index in August
Round Hill, VA

Average UV index in August - Round Hill, VA
  • Average UV index in August: 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).

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Average cloud cover in August
Round Hill, VA

Average cloud cover in August - Round Hill, VA
  • Average cloud cover in August: 33

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in August
Round Hill, VA

Average visibility in August - Round Hill, VA
  • Average visibility in August: 6mi

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).

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