August weather forecast
The Plains, VA

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Weather in August

August, the last month of the summer in The Plains, is another warm month, with an average temperature fluctuating between 64.6°F (18.1°C) and 84.9°F (29.4°C).

Temperature

Welcoming August, The Plains notes an average high-temperature of a warm 84.9°F (29.4°C), nearly consistent with July's 87.6°F (30.9°C). In The Plains, in August, the average low-temperature is an enjoyable 64.6°F (18.1°C).

Heat index

In August, the average heat index is estimated at a tropical 93.2°F (34°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

In August, the average relative humidity is 74%.

Rainfall

The month with the most rainfall is August, when the rain falls for 16.8 days and typically aggregates up to 3.27" (83mm) of precipitation.

Snowfall

In The Plains, Virginia, snow does not fall in June through October.

Daylight

In August, the average length of the day is 13h and 38min.
On the first day of August in The Plains, sunrise is at 6:12 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:42 pm EDT.

Sunshine

The average sunshine in August is 10.2h.

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 health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, an average UV index of 6 transforms into the following instructions:
Deflect overexposure. Sun protection is a necessity. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

In The Plains, 84.9°F (29.4°C) is the average high-temperature and 64.6°F (18.1°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 93.2°F (34°C).

What is the average humidity in August?

The average relative humidity in August is 74%.

What is the rainiest month?

August is the month with the most rainfall. Rain falls for 16.8 days and accumulates 3.27" (83mm) of precipitation.

How many days does it rain in August?

In August, the rain falls for 16.8 days. Throughout August, 3.27" (83mm) of precipitation is accumulated.

When it does not snow?

June through October are months without snowfall.

How many hours of daylight does The Plains have in August?

The average day length in August is 13h and 38min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:12 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:42 pm EDT.

How long on average sun shines in August?

In The Plains, the average sunshine duration in August is 10.2h.

What is the month with the highest UV index?

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

How high is the UV index in August?

In August, the average daily maximum UV index in The Plains is 6. A UV Index value 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
The Plains, VA

Average temperature in August - The Plains, VA
  • Average high temperature in August: 84.9°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in August: 64.6°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in August
The Plains, VA

Average pressure in August - The Plains, 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).

Average wind speed in August
The Plains, VA

Average wind speed in August - The Plains, VA
  • Average wind speed in August: 4.4mph

The windiest months (with the highest average wind speed) are March and April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity in August
The Plains, VA

Average humidity in August - The Plains, VA
  • Average humidity in August: 74%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).

Average rainfall in August
The Plains, VA

Average rainfall in August - The Plains, VA
  • Average rainfall in August: 3.27"

The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in August
The Plains, VA

Average rainfall days in August - The Plains, VA
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in August
The Plains, VA

Average snowfall in August - The Plains, VA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (3.74").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
The Plains, VA

Average snowfall days in August - The Plains, VA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
The Plains, VA

Average daylight in August / Average sunshine in August - The Plains, VA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in August
The Plains, VA

Average sunshine days in August - The Plains, VA
  • Average sunshine days in August: 11.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.7 days).

Average UV index in August
The Plains, VA

Average UV index in August - The Plains, 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).

Average cloud cover in August
The Plains, VA

Average cloud cover in August - The Plains, VA
  • Average cloud cover in August: 33

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in August
The Plains, VA

Average visibility in August - The Plains, VA
  • Average visibility in August: 6mi

The months with the highest visibility are January, March, April, June, July, August and November (6mi).
The months with the lowest visibility are February, May, September, October and December (5mi).

The Plains, Virginia, USA

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