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
At the onset of August, Glen Lyn records an average high-temperature of a still moderately hot 81.3°F (27.4°C), showing little deviation from the preceding month. The month of August sees a significant daily temperature drop, recording an average low-temperature of 57.2°F (14°C) in Glen Lyn.Heat index
August's heat index is calculated to be a tropical 86°F (30°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
The average relative humidity in August in Glen Lyn, Virginia, is 78%.Rainfall
In Glen Lyn, in August, during 15.5 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 158.3 rainfall days, and 23.5" (597mm) of precipitation is accumulated.Snowfall
In Glen Lyn, snow does not fall in June through September.Daylight
The average length of the day in August in Glen Lyn is 13h and 34min.On the first day of August, sunrise is at 6:28 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 7:53 pm EDT.
Sunshine
In Glen Lyn, the average sunshine in August is 10h.UV index
The months with the highest UV index are June and August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in Glen Lyn?
What is the average humidity in August in Glen Lyn?
How many days does it rain in August in Glen Lyn?
When it does not snow in Glen Lyn?
How many hours of daylight does Glen Lyn have in August?
When are sunrise and sunset in August in Glen Lyn?
How long on average sun shines in August in Glen Lyn?
When is the highest UV index in Glen Lyn?
How high is the UV index in August in Glen Lyn?
Average temperature in August
Glen Lyn, VA
- Average high temperature in August: 81.3°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in August: 57.2°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in August
Glen Lyn, VA
- 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
Glen Lyn, VA
- Average wind speed in August: 4mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in August
Glen Lyn, VA
- Average humidity in August: 78%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are June, July and November (77%).
Average rainfall in August
Glen Lyn, VA
- Average rainfall in August: 2.01"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in August
Glen Lyn, VA
- Average rainfall days in August: 15.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in August
Glen Lyn, VA
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Glen Lyn, VA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Glen Lyn, VA
- 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 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in August
Glen Lyn, VA
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in August
Glen Lyn, VA
- 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, November and December (UV index 2).
Average cloud cover in August
Glen Lyn, VA
- Average cloud cover in August: 39
The months with the most cloud cover are January and February (Cloud cover 56).
The months with the least cloud cover are June and July (Cloud cover 38).
Average visibility in August
Glen Lyn, VA
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Glen Lyn, Virginia, USA
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