August weather forecastWashington, WV
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Washington, West Virginia, with an average temperature varying between 84.2°F (29°C) and 61.5°F (16.4°C).Temperature
As July turns into August, the average high-temperatures rest at a still warm 84.2°F (29°C), showing a minor variation from the prior month. Washington encounters a substantial decline from its daily high to a low-temperature of 61.5°F (16.4°C) during August nights.Heat index
The heat index for August is computed to be a tropical 93.2°F (34°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
With an average relative humidity of 75%, August is the least humid month.Rainfall
In August, the rain falls for 14.9 days. Throughout August, 2.05" (52mm) of precipitation is accumulated. Throughout the year, there are 175.1 rainfall days, and 30.59" (777mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 40min.On the first day of the month, sunrise is at 6:27 am and sunset at 8:38 pm. On the last day of August, sunrise is at 6:55 am and sunset at 7:58 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10.3h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 6 in August translates into this advice:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Washington, WV
- Average high temperature in August: 84.2°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in August: 61.5°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 (23.2°F).
Average pressure in August
Washington, WV
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in August
Washington, WV
- Average wind speed in August: 4.2mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
Washington, WV
- Average humidity in August: 75%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (75%).
Average rainfall in August
Washington, WV
- Average rainfall in August: 2.05"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in August
Washington, WV
- Average rainfall days in August: 14.9 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in August
Washington, WV
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Washington, WV
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Washington, WV
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 10h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Washington, WV
- Average sunshine days in August: 13.9 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in August
Washington, WV
- Average UV index in August: 6
The months with the highest UV index are 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
Washington, WV
- 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
Washington, WV
- 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).





