Fairfax
August
Weather in Fairfax for August 2025
Your guide to Fairfax weather in August - trends and predictions
In general, the average temperature in Fairfax at the beginning of August is 32.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.3 °F by the end of August.
Fairfax in August brings notable rainfall, with an average of 18 rainy days and a total precipitation of 114.4 mm.
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Temperatures
Rain 🌧️
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13
Dry days
18
Rainy days
0
Snow days
29°/19°
Temperatures
14 km/h
Avg max wind
67 %
Avg humidity
Fairfax in August average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  34° | 2 32° | |||||
| 3 35° | 4 29° | 5  36° | 6  35° | 7 24° | 8 27° | 9 24° |
| 10 28° | 11 28° | 12 27° | 13 28° | 14 29° | 15  30° | 16 26° |
| 17 30° | 18  30° | 19 25° | 20 24° | 21 23° | 22 26° | 23 28° |
| 24 29° | 25 32° | 26 31° | 27 33° | 28 38° | 29 25° | 30 23° |
| 31  30° |
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Temperatures trend during August in Fairfax
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Patchy rain possible | 34° /24° | 0 mm | 7 | |
| Aug. 2 | Patchy rain possible | 32° /22° | 2.4 mm | 7 | |
| Aug. 3 | Patchy rain possible | 35° /22° | 1.9 mm | 8 | |
| Aug. 4 | Light rain shower | 29° /21° | 5.3 mm | 6 | |
| Aug. 5 | Partly cloudy | 36° /22° | 0 mm | 9 | |
| Aug. 6 | Heavy rain at times | 35° /22° | 16.2 mm | 8 | |
| Aug. 7 | Light rain shower | 24° /20° | 12.6 mm | 5 | |
| Aug. 8 | Light rain shower | 27° /22° | 8.2 mm | 6 | |
| Aug. 9 | Light rain shower | 24° /22° | 32.6 mm | 5 | |
| Aug. 10 | Patchy rain possible | 28° /20° | 0.5 mm | 6 | |
| Aug. 11 | Partly cloudy | 28° /18° | 0 mm | 7 | |
| Aug. 12 | Partly cloudy | 27° /18° | 0 mm | 7 | |
| Aug. 13 | Patchy rain possible | 28° /19° | 0.3 mm | 6 | |
| Aug. 14 | Partly cloudy | 29° /17° | 0 mm | 7 | |
| Aug. 15 | Sunny | 30° /18° | 0 mm | 8 | |
| Aug. 16 | Patchy rain possible | 26° /19° | 0.5 mm | 6 | |
| Aug. 17 | Light rain shower | 30° /20° | 7.3 mm | 7 | |
| Aug. 18 | Patchy light drizzle | 30° /21° | 5 mm | 7 | |
| Aug. 19 | Light rain shower | 25° /17° | 6.8 mm | 6 | |
| Aug. 20 | Partly cloudy | 24° /16° | 0 mm | 6 | |
| Aug. 21 | Sunny | 23° /12° | 0 mm | 6 | |
| Aug. 22 | Partly cloudy | 26° /14° | 0 mm | 7 | |
| Aug. 23 | Sunny | 28° /14° | 0 mm | 7 | |
| Aug. 24 | Partly cloudy | 29° /16° | 0 mm | 7 | |
| Aug. 25 | Partly cloudy | 32° /16° | 0 mm | 8 | |
| Aug. 26 | Patchy light rain | 31° /19° | 2.4 mm | 7 | |
| Aug. 27 | Patchy rain possible | 33° /21° | 1.8 mm | 7 | |
| Aug. 28 | Sunny | 38° /22° | 2.1 mm | 9 | |
| Aug. 29 | Light rain shower | 25° /20° | 5.2 mm | 5 | |
| Aug. 30 | Patchy rain possible | 23° /19° | 0.3 mm | 5 | |
| Aug. 31 | Fog | 30° /21° | 3 mm | 7 | |
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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.
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 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Fairfax during August?
Significant rainfall exceeding 114.4 mm is expected in Fairfax during August, occurring over more than 18 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 14 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 💧
UV exposure in Fairfax during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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