August weather forecastMattawan, VA
August
Weather in August
August, the last month of the summer in Mattawan, is another hot month, with an average temperature varying between 87.8°F (31°C) and 67.6°F (19.8°C).Temperature
The shift into August reveals an average high-temperature of a still hot 87.8°F (31°C), closely mirroring July's climate. During the nights in August, Mattawan experiences a consistent average temperature of 67.6°F (19.8°C).Heat index
For most parts of August, the heat index is calculated to be a very hot 100.4°F (38°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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. 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.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
In August, the average relative humidity is 72%.Rainfall
The month with the most rainfall is August, when the rain falls for 15.1 days and typically aggregates up to 2.83" (72mm) of precipitation.Snowfall
In Mattawan, snow does not fall in May through October.Daylight
In Mattawan, Virginia, the average length of the day in August is 13h and 34min.On the first day of August, sunrise is at 6:13 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:39 pm EDT.
Sunshine
In August, the average sunshine is 10.2h.UV index
The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 6 during August leads to these instructions:
Deter overexposure. Protecting against the sun's effects is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Mattawan, VA
- Average high temperature in August: 87.8°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in August: 67.6°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in August
Mattawan, VA
- Average pressure in August: 29.99"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
Mattawan, VA
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Mattawan, VA
- Average humidity in August: 72%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (69%).
Average rainfall in August
Mattawan, VA
- Average rainfall in August: 2.83"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in August
Mattawan, VA
- Average rainfall days in August: 15.1 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in August
Mattawan, VA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Mattawan, VA
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Mattawan, VA
- Average daylight in August: 13h and 36min
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 36min).
- Average sunshine in August: 10h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in August
Mattawan, VA
- Average sunshine days in August: 14.2 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in August
Mattawan, VA
- Average UV index in August: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Mattawan, VA
- Average cloud cover in August: 34
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
Mattawan, VA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are May and December (5mi).
