Fairfax (VA)
August
Weather in Fairfax, Virginia for August 2027
Your guide to Fairfax weather in August - trends and predictions
In general, the average temperature in Fairfax at the beginning of August is 30 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.1 °C by the end of August.
The climate of Fairfax in August is notably wet, with an average of 14 rainy days, and a total of 176.5 mm of precipitation.
Is August a good time to visit Fairfax? check out the best time to travel to Fairfax page.
✨ Is August a good time to visit Fairfax? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
17
Dry days
14
Rainy days
0
Snow days
29°/20°
Temperatures
13 km/h
Avg max wind
68 %
Avg humidity
Fairfax Weather August
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Temperatures trend during August in Fairfax
See the weather trend as well as the moving average line
August weather in Fairfax day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Heavy rain | 30° /20° | 33.7 mm | 8 | |
| Aug. 2 |  Light rain | 29° /21° | 7.8 mm | 8 | |
| Aug. 3 | Light rain | 31° /21° | 4.6 mm | 8 | |
| Aug. 4 |  Light rain shower | 31° /20° | 1.8 mm | 8 | |
| Aug. 5 | Light rain | 31° /22° | 4.4 mm | 8 | |
| Aug. 6 |  Heavy rain at times | 32° /22° | 6.5 mm | 9 | |
| Aug. 7 | Light rain | 27° /21° | 4.8 mm | 7 | |
| Aug. 8 | Light rain | 29° /21° | 8 mm | 8 | |
| Aug. 9 |  Moderate rain | 29° /22° | 10.9 mm | 8 | |
| Aug. 10 | Light rain | 31° /20° | 7.2 mm | 8 | |
| Aug. 11 | Patchy rain possible | 30° /19° | 1 mm | 8 | |
| Aug. 12 |  Partly cloudy | 31° /20° | 0.4 mm | 8 | |
| Aug. 13 | Patchy rain possible | 31° /22° | 0.1 mm | 8 | |
| Aug. 14 | Light rain | 30° /21° | 5.6 mm | 8 | |
| Aug. 15 | Moderate rain | 30° /21° | 11.1 mm | 8 | |
| Aug. 16 | Light rain | 28° /21° | 7 mm | 5 | |
| Aug. 17 | Light rain | 33° /22° | 4.5 mm | 7 | |
| Aug. 18 | Patchy light drizzle | 29° /20° | 1.8 mm | 8 | |
| Aug. 19 | Light rain | 27° /18° | 3.5 mm | 7 | |
| Aug. 20 | Heavy rain | 28° /19° | 28.5 mm | 7 | |
| Aug. 21 | Patchy rain possible | 25° /16° | 1.1 mm | 6 | |
| Aug. 22 | Light rain | 27° /18° | 5.3 mm | 5 | |
| Aug. 23 | Light rain | 28° /16° | 4.7 mm | 8 | |
| Aug. 24 | Partly cloudy | 28° /17° | 0.5 mm | 8 | |
| Aug. 25 | Partly cloudy | 29° /18° | 0 mm | 8 | |
| Aug. 26 | Patchy light rain | 29° /17° | 0.8 mm | 6 | |
| Aug. 27 | Light rain | 29° /19° | 4.5 mm | 6 | |
| Aug. 28 | Patchy rain possible | 31° /20° | 1.2 mm | 7 | |
| Aug. 29 | Light rain shower | 28° /18° | 1.7 mm | 7 | |
| Aug. 30 | Patchy rain possible | 28° /17° | 0.1 mm | 7 | |
| Aug. 31 | Light rain | 29° /19° | 3.2 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Fairfax in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Fairfax forecast closer to your planned date for the most up-to-date weather information.
Change Month
Fairfax in August - FAQ
What are the expected maximum and minimum temperatures in Fairfax during August?
During August, expect a variety of temperatures with highs around 29° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Fairfax during August?
Significant rainfall exceeding 176.5 mm is expected in Fairfax during August, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Fairfax during August?
The average wind speed in Fairfax during August is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Fairfax
Explore the daily rainfall trends and prepare for Fairfaxs August weather 💧
Typically, Fairfax has 14 rainy days in August with a total of 176.5 mm of rainfall.
UV exposure in Fairfax during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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