August weather forecast
Marvin, VA

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Weather in August

August, the last month of the summer in Marvin, is also a moderately hot month, with an average temperature fluctuating between 57.7°F (14.3°C) and 81.7°F (27.6°C).

Temperature

The dawn of August sees an average high-temperature of a still moderately hot 81.7°F (27.6°C), subtly contrasting with July's 82.6°F (28.1°C). Marvin registers a pronounced decline from daytime peak temperatures, averaging a moderate 57.7°F (14.3°C) lows in August.

Heat index

For most parts of August, the heat index is estimated at a tropical 87.8°F (31°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

In August, the average relative humidity is 77%.

Rainfall

In Marvin, during August, the rain falls for 14.9 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 155.9 rainfall days, and 23.31" (592mm) of precipitation is accumulated.

Snowfall

In Marvin, Virginia, snow does not fall in June through September.

Daylight

In August, the average length of the day is 13h and 32min.
On the first day of the month, sunrise is at 6:33 am and sunset at 8:34 pm. On the last day of August, sunrise is at 6:58 am and sunset at 7:57 pm EDT.

Sunshine

June through August, with an average of 10h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 5 during August morphs into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

August temperatures vary between a high-temperature of 81.7°F (27.6°C) and a low-temperature of 57.7°F (14.3°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 87.8°F (31°C).

What is the average humidity in August?

In August, the average relative humidity is 77%.

How much does it rain in August?

In August, the rain falls for 14.9 days. Throughout August, 1.73" (44mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August?

In Marvin, the average day length in August is 13h and 32min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:33 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 7:57 pm EDT.

What is the month with the most sunshine?

The months with the most sunshine are June through August, with an average of 10h of sunshine.

How long on average sun shines in August?

The average sunshine duration in August is 10h.

What are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

How high is the UV index in August?

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Marvin, VA

Average temperature in August - Marvin, VA
  • Average high temperature in August: 81.7°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in August: 57.7°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

Average pressure in August
Marvin, VA

Average pressure in August - Marvin, VA
  • Average pressure in August: 30.03"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in August
Marvin, VA

Average wind speed in August - Marvin, VA
  • Average wind speed in August: 4.2mph

The windiest months (with the highest average wind speed) are January, February and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in August
Marvin, VA

Average humidity in August - Marvin, VA
  • Average humidity in August: 77%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is November (76%).

Average rainfall in August
Marvin, VA

Average rainfall in August - Marvin, VA
  • Average rainfall in August: 1.73"

The wettest month (with the highest rainfall) is February (2.72").
The driest month (with the least rainfall) is September (1.14").

Average rainfall days in August
Marvin, VA

Average rainfall days in August - Marvin, VA
  • Average rainfall days in August: 14.9 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in August
Marvin, VA

Average snowfall in August - Marvin, VA
  • Average snowfall in August: 0"

The month with the highest snowfall is December (4.65").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Marvin, VA

Average snowfall days in August - Marvin, VA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Marvin, VA

Average daylight in August / Average sunshine in August - Marvin, VA
  • Average daylight in August: 13h and 3min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in August: 10h and 0min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in August
Marvin, VA

Average sunshine days in August - Marvin, VA
  • Average sunshine days in August: 13.5 days

The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in August
Marvin, VA

Average UV index in August - Marvin, VA
  • Average UV index in August: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Marvin, VA

Average cloud cover in August - Marvin, VA
  • Average cloud cover in August: 37

The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in August
Marvin, VA

Average visibility in August - Marvin, VA
  • Average visibility in August: 5mi

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

Marvin, Virginia, USA

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