August weather forecastPalmer Crossroads, VA
August
Weather in August
The last month of the summer, August, is also a hot month in Palmer Crossroads, Virginia, with temperature in the range of an average low of 67.6°F (19.8°C) and an average high of 87.4°F (30.8°C).Temperature
As Palmer Crossroads steps into August, the average high-temperature is measured at a still hot 87.4°F (30.8°C), displaying minor differences from July's 90°F (32.2°C). Throughout August, Palmer Crossroads encounters an average temperature drop to a refreshing 67.6°F (19.8°C).Heat index
During August, the heat index is evaluated at a torrid 100.4°F (38°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. 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 heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
The average relative humidity in August is 74%.Rainfall
In Palmer Crossroads, in August, during 15.4 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Palmer Crossroads, during the entire year, the rain falls for 144.4 days and collects up to 21.3" (541mm) of precipitation.Snowfall
In Palmer Crossroads, snow does not fall in April through November.Daylight
The average length of the day in August in Palmer Crossroads is 13h and 31min.On the first day of August, sunrise is at 6:19 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:41 pm EDT.
Sunshine
In Palmer Crossroads, 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. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In August, an average UV index of 6 transforms into the following instructions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Palmer Crossroads, VA
- Average high temperature in August: 87.4°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in August: 67.6°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in August
Palmer Crossroads, 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
Palmer Crossroads, VA
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Palmer Crossroads, VA
- Average humidity in August: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall in August
Palmer Crossroads, VA
- Average rainfall in August: 1.93"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in August
Palmer Crossroads, VA
- Average rainfall days in August: 15.4 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is October (8.3 days).
Average snowfall in August
Palmer Crossroads, VA
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Palmer Crossroads, VA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.5 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
Palmer Crossroads, VA
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 10h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in August
Palmer Crossroads, VA
- Average sunshine days in August: 13.4 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (12 days).
Average UV index in August
Palmer Crossroads, 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
Palmer Crossroads, VA
- Average cloud cover in August: 35
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Palmer Crossroads, VA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





