Fairfax (VA)
July
Weather in Fairfax, Virginia for July 2026
Your guide to Fairfax weather in July - trends and predictions
So far, July 2026 in Fairfax is slightly warmer than the historical average by 0.6 °C.
The forecast for the next days in Fairfax predicts temperatures to be around 32 °C, close to the historical average.
In general, the average temperature in Fairfax at the beginning of July is 33.1 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 33.6 °C by the end of July.
Fairfax experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 244.4 mm.
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Temperatures
Rain 🌧️
More
10
Dry days
21
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 | 32° /21° | 7.4 mm | 9 | |
| Jul. 2 | Sunny | 33° /20° | 0.9 mm | 9 | |
| Jul. 3 | Sunny | 34° /21° | 0 mm | 9 | |
| Jul. 4 |  Light rain shower | 35° /22° | 2.5 mm | 9 | |
| Jul. 5 |  Fog | 34° /22° | 2.4 mm | 9 | |
| Jul. 6 |  Patchy light rain | 32° /22° | 8 mm | 7 | |
| Jul. 7 | Sunny | 32° /22° | 12.1 mm | 6 | |
| Jul. 8 |  Partly cloudy | 32° /23° | 22.2 mm | 8 | |
| Jul. 9 | Fog | 33° /22° | 30.8 mm | 7 | |
| Jul. 10 | Patchy rain possible | 31° /22° | 47.8 mm | 8 | |
| Jul. 11 | Sunny | 32° /21° | 2.3 mm | 9 | |
| Jul. 12 |  Moderate rain | 29° /22° | 12.5 mm | 7 | |
| Jul. 13 | Fog | 31° /20° | 4 mm | 8 | |
| Jul. 14 | Partly cloudy | 35° /21° | 0 mm | 9 | |
| Jul. 15 | Patchy light rain | 35° /22° | 0.9 mm | 9 | |
| Jul. 16 | Patchy rain possible | 35° /23° | 3.5 mm | 9 | |
| Jul. 17 | Patchy light rain | 34° /22° | 11.9 mm | 9 | |
| Jul. 18 |  Moderate or heavy rain shower | 32° /22° | 12.5 mm | 9 | |
| Jul. 19 | Partly cloudy | 31° /21° | 3.7 mm | 9 | |
| Jul. 20 | Sunny | 33° /18° | 0 mm | 7.6 | |
| Jul. 21 | Patchy rain possible | 34° /21° | 11.8 mm | 9.4 | |
| Jul. 22 | Sunny | 31° /20° | 1.3 mm | 8 | |
| Jul. 23 | Sunny | 27° /16° | 0 mm | 9.3 | |
| Jul. 24 | Sunny | 30° /16° | 0 mm | 7 | |
| Jul. 25 | Partly cloudy | 30° /20° | 0 mm | 8 | |
| Jul. 26 | Sunny | 32° /20° | 0 mm | 8 | |
| Jul. 27 | Sunny | 34° /20° | 0 mm | 8 | |
| Jul. 28 | Partly cloudy | 36° /23° | 11.1 mm | 9 | |
| Jul. 29 | Sunny | 35° /22° | 0.1 mm | 8 | |
| Jul. 30 | Sunny | 37° /23° | 2.2 mm | 9 | |
| Jul. 31 | Sunny | 31° /22° | 0 mm | 8 | |
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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 244.4 mm is expected in Fairfax during July, occurring over more than 21 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 💧
Typically, Fairfax has 21 rainy days in July with a total of 244.4 mm of rainfall.
UV exposure in Fairfax during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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