August weather forecastCrystal Hill, VA
August
Weather in August
The last month of the summer, August, is another hot month in Crystal Hill, Virginia, with temperature in the range of an average high of 88.2°F (31.2°C) and an average low of 66.7°F (19.3°C).Temperature
Crystal Hill marks the onset of August with an average high-temperature of a still hot 88.2°F (31.2°C), a subtle shift from July's 90.3°F (32.4°C). Throughout August, Crystal Hill's nights cool down to an average of 66.7°F (19.3°C).Heat index
August's heat index is computed to be a fiery hot 102.2°F (39°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
The average relative humidity in August in Crystal Hill is 72%.Rainfall
In Crystal Hill, Virginia, in August, it is raining for 15.9 days, with typically 2.44" (62mm) of accumulated precipitation. In Crystal Hill, during the entire year, the rain falls for 157.9 days and collects up to 29.57" (751mm) of precipitation.Snowfall
In Crystal Hill, snow does not fall in May through October.Daylight
In August, the average length of the day in Crystal Hill, Virginia, is 13h and 32min.On the first day of August, sunrise is at 6:21 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:45 pm EDT.
Sunshine
The average sunshine in August in Crystal Hill is 10.3h.UV index
In Crystal Hill, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 6 during August morphs into the following directions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Crystal Hill, VA
- Average high temperature in August: 88.2°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 (45.5°F).
- Average low temperature in August: 66.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in August
Crystal Hill, 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 (29.97"Hg).
Average wind speed in August
Crystal Hill, VA
- Average wind speed in August: 4.7mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in August
Crystal Hill, VA
- Average humidity in August: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in August
Crystal Hill, VA
- Average rainfall in August: 2.44"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in August
Crystal Hill, VA
- Average rainfall days in August: 15.9 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in August
Crystal Hill, VA
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Crystal Hill, VA
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (3.1 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
Crystal Hill, 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 18min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in August
Crystal Hill, VA
- Average sunshine days in August: 13.6 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in August
Crystal Hill, VA
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Crystal Hill, VA
- Average cloud cover in August: 34
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in August
Crystal Hill, 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).





