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
The arrival of August sees a recorded average high-temperature of a still warm 82°F (27.8°C), showing little divergence from the previous month's conditions. Keystone observes a noteworthy temperature drop from the daily highs during August nights, with a mean temperature of 58.5°F (14.7°C).Heat index
Throughout August, the heat index is appraised at a tropical 87.8°F (31°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.The heat index's values are generally associated with conditions in shade and light breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
July, August and November, with an average relative humidity of 76%, are the least humid months in Keystone.Rainfall
In Keystone, during August, the rain falls for 16.1 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, there are 172.5 rainfall days, and 29.41" (747mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 34min.On the first day of the month, sunrise is at 6:30 am and sunset at 8:33 pm. On the last day of August, in Keystone, West Virginia, sunrise is at 6:56 am and sunset at 7:55 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.1h of sunshine.UV index
June and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 during August translates into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the usual temperature for Keystone in August?
What are the least humid months in Keystone?
What is the average humidity in August in Keystone?
How much does it rain in Keystone in August?
When it does not snow in Keystone?
How many hours of daylight does Keystone have in August?
When are sunrise and sunset in August in Keystone?
What month has the most sunshine in Keystone?
How many hours of sunshine does Keystone have in August?
What is the month with the highest UV index in Keystone?
What is the UV index reading in August in Keystone?
Average temperature in August
Keystone, WV
- Average high temperature in August: 82°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in August: 58.5°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in August
Keystone, WV
- 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
Keystone, WV
- Average wind speed in August: 4.2mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
Keystone, WV
- Average humidity in August: 76%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August and November (76%).
Average rainfall in August
Keystone, WV
- Average rainfall in August: 2.28"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in August
Keystone, WV
- Average rainfall days in August: 16.1 days
The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and November (10.1 days).
Average snowfall in August
Keystone, WV
- Average snowfall in August: 0"
The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Keystone, WV
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Keystone, WV
- Average daylight in August: 13h and 4min
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 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in August
Keystone, WV
- Average sunshine days in August: 12.2 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in August
Keystone, WV
- Average UV index in August: 6
The months with the highest UV index are June 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
Keystone, WV
- Average cloud cover in August: 36
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 36).
Average visibility in August
Keystone, 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).
Keystone, West Virginia, USA
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