August weather forecastFort Grand, WV
August
Weather in August
The last month of the summer, August, is another warm month in Fort Grand, West Virginia, with an average temperature varying between 58.6°F (14.8°C) and 81.9°F (27.7°C).Temperature
As Fort Grand, West Virginia, steps into August, the average high-temperature holds at a still warm 81.9°F (27.7°C), hinting at a minor fluctuation from the prior month. The nighttime average for Fort Grand in August plummets considerably from its daytime counterpart, resting at a mild 58.6°F (14.8°C).Heat index
For most parts of August, the heat index is evaluated at a hot 87.8°F (31°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
With an average relative humidity of 77%, August is the least humid month.Rainfall
In Fort Grand, West Virginia, in August, during 16.1 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 182.4 rainfall days, and 36.1" (917mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Fort Grand.Daylight
In Fort Grand, the average length of the day in August is 13h and 41min.On the first day of the month, sunrise is at 6:20 am and sunset at 8:32 pm. On the last day of August, sunrise is at 6:48 am and sunset at 7:52 pm EDT.
Sunshine
With an average of 9.9h of sunshine, August has the most sunshine of the year.UV index
In August, the average daily maximum UV index is 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: In August, a regular UV index of 5 translates into these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Fort Grand, WV
- Average high temperature in August: 81.9°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in August: 58.6°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in August
Fort Grand, WV
- 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 (29.96"Hg).
Average wind speed in August
Fort Grand, WV
- Average wind speed in August: 4.2mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
Fort Grand, WV
- Average humidity in August: 77%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in August
Fort Grand, WV
- Average rainfall in August: 2.32"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in August
Fort Grand, WV
- Average rainfall days in August: 16.1 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in August
Fort Grand, WV
- Average snowfall in August: 0"
The month with the highest snowfall is January (7.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Fort Grand, WV
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Fort Grand, 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 24min).
- Average sunshine in August: 9h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in August
Fort Grand, WV
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in August
Fort Grand, WV
- Average UV index in August: 5
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Fort Grand, WV
- Average cloud cover in August: 36
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in August
Fort Grand, WV
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).





