August weather forecastDillwyn, VA
August
Weather in August
August, the last month of the summer in Dillwyn, is another hot month, with an average temperature varying between 87.4°F (30.8°C) and 66.2°F (19°C).Temperature
Dillwyn's average high-temperature in August sits at a still tropical 87.4°F (30.8°C), showing little difference from the previous month. Nighttime temperatures consistently average a refreshing 66.2°F (19°C) during August.Heat index
For August, the heat index is estimated at a fiery hot 100.4°F (38°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.When assessing, remember that heat index measurements are for light winds and shaded spots. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
The average relative humidity in August in Dillwyn is 73%.Rainfall
In Dillwyn, during August, the rain falls for 16.4 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, in Dillwyn, there are 159.5 rainfall days, and 31.1" (790mm) of precipitation is accumulated.Snowfall
In Dillwyn, snow does not fall in May through September.Daylight
In August, the average length of the day in Dillwyn is 13h and 34min.On the first day of August in Dillwyn, sunrise is at 6:18 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:43 pm EDT.
Sunshine
In August, the average sunshine is 10.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: In August, the maximum UV index of 6 transforms into these recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dillwyn, VA
- Average high temperature in August: 87.4°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in August: 66.2°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in August
Dillwyn, VA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in August
Dillwyn, VA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
Dillwyn, VA
- Average humidity in August: 73%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (69%).
Average rainfall in August
Dillwyn, VA
- Average rainfall in August: 2.83"
The wettest months (with the highest rainfall) are February and May (2.95").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in August
Dillwyn, VA
- Average rainfall days in August: 16.4 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in August
Dillwyn, VA
- Average snowfall in August: 0"
The month with the highest snowfall is March (2.44").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Dillwyn, VA
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (3.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Dillwyn, VA
- Average daylight in August: 13h and 36min
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 12min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in August
Dillwyn, VA
- Average sunshine days in August: 12.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in August
Dillwyn, 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 and December (UV index 2).
Average cloud cover in August
Dillwyn, VA
- Average cloud cover in August: 35
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Dillwyn, VA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are January, May, September and December (5mi).





