Fairfax (VA)
July
Weather in Fairfax, Virginia for July 2026
Your guide to Fairfax weather in July - trends and predictions
In general, the average temperature in Fairfax at the beginning of July is 32.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 33.1 °F by the end of July.
Fairfax experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 262.4 mm.
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Temperatures
Rain 🌧️
More
9
Dry days
22
Rainy days
0
Snow days
32°/22°
Temperatures
12 km/h
Avg max wind
69 %
Avg humidity
Fairfax Weather July
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Temperatures trend during July in Fairfax
See the weather trend as well as the moving average line
July weather in Fairfax day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Sunny | 30° /21° | 11.1 mm | 7 | |
| Jul. 2 | Sunny | 30° /18° | 1.3 mm | 7 | |
| Jul. 3 | Sunny | 32° /19° | 0 mm | 8 | |
| Jul. 4 |  Light rain shower | 33° /21° | 3.3 mm | 8 | |
| Jul. 5 |  Fog | 34° /22° | 0.5 mm | 8 | |
| Jul. 6 |  Patchy light rain | 33° /22° | 1.6 mm | 8 | |
| Jul. 7 | Sunny | 33° /23° | 2.8 mm | 8 | |
| Jul. 8 |  Partly cloudy | 34° /24° | 31.7 mm | 8 | |
| Jul. 9 | Fog | 34° /22° | 32.9 mm | 8 | |
| Jul. 10 | Patchy rain possible | 30° /23° | 70.1 mm | 7 | |
| Jul. 11 | Sunny | 33° /22° | 2.5 mm | 8 | |
| Jul. 12 |  Moderate rain | 30° /22° | 7.8 mm | 7 | |
| Jul. 13 | Fog | 30° /22° | 5.9 mm | 7 | |
| Jul. 14 | Partly cloudy | 35° /23° | 0 mm | 8 | |
| Jul. 15 | Patchy light rain | 34° /23° | 1.3 mm | 8 | |
| Jul. 16 | Patchy rain possible | 34° /22° | 5.3 mm | 8 | |
| Jul. 17 | Patchy light rain | 34° /23° | 17.9 mm | 7 | |
| Jul. 18 |  Cloudy | 31° /23° | 3.4 mm | 7 | |
| Jul. 19 | Partly cloudy | 30° /21° | 5 mm | 7 | |
| Jul. 20 | Cloudy | 29° /22° | 0.1 mm | 6 | |
| Jul. 21 | Partly cloudy | 31° /21° | 0.1 mm | 7 | |
| Jul. 22 |  Patchy light rain with thunder | 27° /20° | 8.5 mm | 6 | |
| Jul. 23 | Fog | 31° /20° | 1.9 mm | 7 | |
| Jul. 24 | Light rain shower | 31° /22° | 3.6 mm | 7 | |
| Jul. 25 | Light rain shower | 33° /23° | 4.8 mm | 7 | |
| Jul. 26 | Sunny | 30° /21° | 0 mm | 7 | |
| Jul. 27 | Sunny | 32° /21° | 11.9 mm | 8 | |
| Jul. 28 | Partly cloudy | 35° /22° | 0 mm | 9 | |
| Jul. 29 | Partly cloudy | 35° /23° | 0.1 mm | 8 | |
| Jul. 30 | Patchy rain possible | 33° /23° | 0.7 mm | 8 | |
| Jul. 31 | Patchy rain possible | 34° /23° | 26.2 mm | 7 | |
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Important Notice
Our weather forecast for Fairfax in July 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 July - FAQ
What are the expected maximum and minimum temperatures in Fairfax during July?
During July, expect a variety of temperatures with highs around 32° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Fairfax during July?
Significant rainfall exceeding 262.4 mm is expected in Fairfax during July, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Fairfax during July?
The average wind speed in Fairfax during July is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Fairfax
Explore the daily rainfall trends and prepare for Fairfaxs July weather 💧
UV exposure in Fairfax during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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