August weather forecastLanexa, VA
August
Weather in August
The last month of the summer, August, is another hot month in Lanexa, Virginia, with an average temperature fluctuating between 86.9°F (30.5°C) and 68.2°F (20.1°C).Temperature
Lanexa experiences a subtle adjustment in high-temperatures to a still hot 86.9°F (30.5°C) with the onset of August, maintaining near parity with July's 89.2°F (31.8°C). August brings with it a nighttime average temperature of 68.2°F (20.1°C).Heat index
The heat index value for August is evaluated at a sweltering 100.4°F (38°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.
Humidity
In Lanexa, the average relative humidity in August is 75%.Rainfall
The month with the most rainfall is August, when the rain falls for 14.1 days and typically aggregates up to 2.13" (54mm) of precipitation.Snowfall
In Lanexa, snow does not fall in April through October.Daylight
In Lanexa, the average length of the day in August is 13h and 34min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:37 am and sunset at 7:37 pm EDT.
Sunshine
In August, the average sunshine is 10.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 6 in August leads to these guidelines:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Lanexa, VA
- Average high temperature in August: 86.9°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in August: 68.2°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in August
Lanexa, VA
- Average pressure in August: 29.99"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
Lanexa, VA
- Average wind speed in August: 5.4mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in August
Lanexa, VA
- Average humidity in August: 75%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is July (73%).
Average rainfall in August
Lanexa, VA
- Average rainfall in August: 2.13"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is September (0.87").
Average rainfall days in August
Lanexa, VA
- Average rainfall days in August: 14.1 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in August
Lanexa, VA
- Average snowfall in August: 0"
The month with the highest snowfall is March (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Lanexa, VA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Lanexa, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in August
Lanexa, VA
- Average sunshine days in August: 14 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in August
Lanexa, 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
Lanexa, VA
- Average cloud cover in August: 35
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
Lanexa, VA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





