August weather forecastUpperville, VA
August
Weather in August
The last month of the summer, August, is another warm month in Upperville, Virginia, with an average temperature varying between 63°F (17.2°C) and 84.4°F (29.1°C).Temperature
The advent of August sees the average high-temperature at a warm 84.4°F (29.1°C), subtly shifted from July's 86.5°F (30.3°C). In Upperville, August is marked by an average low-temperature of 63°F (17.2°C).Heat index
August's average heat index is evaluated at a hot 93.2°F (34°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In Upperville, the average relative humidity in August is 75%.Rainfall
The months with the most rainfall in Upperville are May, July and August, with an average 2.68" (68mm) of precipitation.Snowfall
In Upperville, snow does not fall in June through September.Daylight
In Upperville, the average length of the day in August is 13h and 38min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:22 pm. On the last day of August, in Upperville, sunrise is at 6:40 am and sunset at 7:43 pm EDT.
Sunshine
The average sunshine in August is 10.2h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Upperville. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 6 in August translates into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Upperville, VA
- Average high temperature in August: 84.4°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in August: 63°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 (24.1°F).
Average pressure in August
Upperville, VA
- 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 (29.95"Hg).
Average wind speed in August
Upperville, VA
- Average wind speed in August: 4.3mph
The windiest months (with the highest average wind speed) are March and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in August
Upperville, VA
- Average humidity in August: 75%
The months with the highest relative humidity are May, October and December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in August
Upperville, VA
- Average rainfall in August: 2.68"
The wettest months (with the highest rainfall) are May, July and August (2.68").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in August
Upperville, VA
- Average rainfall days in August: 16 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in August
Upperville, VA
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Upperville, VA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Upperville, VA
- Average daylight in August: 13h and 36min
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 12min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 0min).
Average sunshine days in August
Upperville, VA
- Average sunshine days in August: 12.7 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in August
Upperville, VA
- 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, November and December (UV index 2).
Average cloud cover in August
Upperville, VA
- Average cloud cover in August: 33
The months with the most cloud cover are March and December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in August
Upperville, VA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are May, September, October and December (5mi).





