August weather forecastMount Jackson, VA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Mount Jackson, Virginia, with an average temperature fluctuating between 59.5°F (15.3°C) and 82.2°F (27.9°C).Temperature
Mount Jackson's August average high-temperature settles at a still warm 82.2°F (27.9°C), showing a near match with the preceding month. Mount Jackson's average nighttime temperature descends significantly from the day's peak in August, settling at a moderate 59.5°F (15.3°C).Heat index
August's average heat index is estimated at a tropical 87.8°F (31°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
In August, the average relative humidity is 76%.Rainfall
In Mount Jackson, during August, the rain falls for 18 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 154 rainfall days, and 23.43" (595mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 38min.On the first day of August, sunrise is at 6:16 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:45 pm EDT.
Sunshine
In Mount Jackson, the average sunshine in August is 10.3h.UV index
In Mount Jackson, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Mount Jackson, VA
- Average high temperature in August: 82.2°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in August
Mount Jackson, 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
Mount Jackson, VA
- Average wind speed in August: 4.2mph
The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
Mount Jackson, VA
- Average humidity in August: 76%
The months with the highest relative humidity are September and October (79%).
The months with the lowest relative humidity are January, April, June, July and November (75%).
Average rainfall in August
Mount Jackson, VA
- Average rainfall in August: 2.72"
The wettest month (with the highest rainfall) is May (2.95").
The driest months (with the least rainfall) are January and November (1.3").
Average rainfall days in August
Mount Jackson, VA
- Average rainfall days in August: 18 days
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in August
Mount Jackson, VA
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Mount Jackson, VA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Mount Jackson, 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 30min).
- Average sunshine in August: 10h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in August
Mount Jackson, VA
- Average sunshine days in August: 11.6 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (11 days).
Average UV index in August
Mount Jackson, VA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Mount Jackson, VA
- Average cloud cover in August: 33
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Mount Jackson, VA
- Average visibility in August: 5mi
The months with the highest visibility are January, February, April, June, July and November (6mi).
The months with the lowest visibility are March, May, August, September, October and December (5mi).
