August weather forecastRadiant, VA
August
Weather in August
The last month of the summer, August, is another tropical month in Radiant, Virginia, with temperature in the range of an average high of 86°F (30°C) and an average low of 64.4°F (18°C).Temperature
At the start of August, Radiant's average high-temperature reaches a still hot 86°F (30°C), subtly different from the preceding month. Radiant, during the nights of August, registers a substantial plunge from the daytime high, averaging at an enjoyable 64.4°F (18°C).Heat index
For August, the heat index is appraised at a very hot 96.8°F (36°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
The average relative humidity in August is 73%.Rainfall
In Radiant, during August, the rain falls for 15.5 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, in Radiant, there are 158.3 rainfall days, and 28.5" (724mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in August in Radiant, Virginia, is 13h and 37min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:22 pm. On the last day of August, sunrise is at 6:42 am and sunset at 7:43 pm EDT.
Sunshine
In August, the average sunshine is 10.3h.UV index
The months with the highest UV index 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 exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 6 in August leads to these guidelines:
Fend off overexposure. Sun protection is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Radiant, VA
- Average high temperature in August: 86°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in August: 64.4°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in August
Radiant, 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 (29.96"Hg).
Average wind speed in August
Radiant, VA
- Average wind speed in August: 4.5mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in August
Radiant, 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 (71%).
Average rainfall in August
Radiant, VA
- Average rainfall in August: 2.64"
The wettest month (with the highest rainfall) is April (2.95").
The driest months (with the least rainfall) are January and September (1.85").
Average rainfall days in August
Radiant, VA
- Average rainfall days in August: 15.5 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in August
Radiant, VA
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Radiant, VA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Radiant, VA
- 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 18min
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 18min).
Average sunshine days in August
Radiant, VA
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in August
Radiant, 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
Radiant, VA
- Average cloud cover in August: 33
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in August
Radiant, VA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, May and September (5mi).
