Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
In Charleston, West Virginia, the average high-temperature in August is relatively the same as in July - a still warm 84.6°F (29.2°C). The average low-temperature, in August, is 61.3°F (16.3°C).Heat index
In August, the average heat index is computed to be a hot 93.2°F (34°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like clothing, differences in body mass, height, and shape, wind, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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
The months with the lowest humidity are June through August and November, with an average relative humidity of 76%.Rainfall
In Charleston, during August, the rain falls for 15.5 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Charleston, West Virginia, during the entire year, the rain falls for 180.4 days and collects up to 34.06" (865mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day in Charleston is 13h and 37min.On the first day of the month, sunrise is at 6:28 am and sunset at 8:36 pm. On the last day of August, in Charleston, sunrise is at 6:55 am and sunset at 7:58 pm EDT.
Sunshine
With an average of 10.2h of sunshine, August has the most sunshine of the year in Charleston.UV index
The months with the highest UV index in Charleston are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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.
FAQ
What is the temperature in August in Charleston?
What are the least humid months in Charleston?
What is the average humidity in August in Charleston?
How many days does it rain in August in Charleston?
When it does not snow in Charleston?
How many hours of daylight does Charleston have in August?
When is the sunrise / sunset in August in Charleston?
What month has the most sunshine in Charleston?
How many hours of sunshine does Charleston have in August?
When is the highest UV index in Charleston?
What is the UV index intensity in August in Charleston?
Average temperature in August
Charleston, West VA
- Average high temperature in August: 84.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in August: 61.3°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in August
Charleston, West VA
- Average pressure in August: 30.02"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in August
Charleston, West VA
- Average wind speed in August: 4mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in August
Charleston, West VA
- Average humidity in August: 76%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).
Average rainfall in August
Charleston, West VA
- Average rainfall in August: 2.09"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in August
Charleston, West VA
- Average rainfall days in August: 15.5 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (11 days).
Average snowfall in August
Charleston, West VA
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Charleston, West VA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Charleston, West VA
- Average daylight in August: 13h and 37min
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 33min).
- Average sunshine in August: 10h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Charleston, West VA
- Average sunshine days in August: 13.9 days
The months with the most sunshine days are October and November (16.5 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in August
Charleston, West 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 and December (UV index 2).
Average cloud cover in August
Charleston, West VA
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Charleston, West VA
- Average visibility in August: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
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