August weather forecastGlenhayes, WV
August
Weather in August
The last month of the summer, August, is another warm month in Glenhayes, West Virginia, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 85.6°F (29.8°C).Temperature
With August's arrival, Glenhayes's weather records an average high-temperature of a warm 85.6°F (29.8°C), marking little difference from July's 87.1°F (30.6°C). Despite a stark disparity with daily highs, Glenhayes records an average nighttime temperature of 62.8°F (17.1°C) in August.Heat index
The heat index for August is computed to be a torrid 96.8°F (36°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
With an average relative humidity of 74%, August is the least humid month.Rainfall
In August, in Glenhayes, the rain falls for 16.3 days. Throughout August, 2.48" (63mm) of precipitation is accumulated. In Glenhayes, during the entire year, the rain falls for 176.7 days and collects up to 33.82" (859mm) of precipitation.Snowfall
In Glenhayes, snow does not fall in May through September.Daylight
In August, the average length of the day in Glenhayes is 13h and 35min.On the first day of August in Glenhayes, sunrise is at 6:33 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 8:00 pm EDT.
Sunshine
The month with the most sunshine in Glenhayes, West Virginia, is August, with an average of 10.4h of sunshine.UV index
The months with the highest UV index in Glenhayes are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 6 in August transforms into this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Glenhayes, WV
- Average high temperature in August: 85.6°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in August: 62.8°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in August
Glenhayes, WV
- Average pressure in August: 30.01"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
Glenhayes, WV
- Average wind speed in August: 4.2mph
The windiest months (with the highest average wind speed) are January, February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
Glenhayes, WV
- Average humidity in August: 74%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in August
Glenhayes, WV
- Average rainfall in August: 2.48"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in August
Glenhayes, WV
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in August
Glenhayes, WV
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Glenhayes, WV
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Glenhayes, WV
- Average daylight in August: 13h and 36min
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 36min).
- Average sunshine in August: 10h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Glenhayes, WV
- Average sunshine days in August: 12.5 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in August
Glenhayes, WV
- 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
Glenhayes, WV
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in August
Glenhayes, WV
- Average visibility in August: 6mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).





