Herndon (VA)
July
Weather in Herndon, Virginia for July 2027
Your guide to Herndon weather in July - trends and predictions
In general, the average temperature in Herndon at the beginning of July is 34.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 32.9 °F by the end of July.
Herndon in July brings notable rainfall, with an average of 17 rainy days and a total precipitation of 313.9 mm.
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Temperatures
Rain 🌧️
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14
Dry days
17
Rainy days
0
Snow days
33°/23°
Temperatures
12 km/h
Avg max wind
71 %
Avg humidity
Herndon Weather July
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Temperatures trend during July in Herndon
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July weather in Herndon day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Moderate or heavy rain shower | 36° /23° | 12.3 mm | 12 | |
| Jul. 2 |  Fog | 35° /23° | 0 mm | 9 | |
| Jul. 3 |  Sunny | 37° /23° | 0 mm | 13 | |
| Jul. 4 | Sunny | 37° /23° | 0.7 mm | 12 | |
| Jul. 5 |  Partly cloudy | 34° /21° | 3.5 mm | 13 | |
| Jul. 6 | Sunny | 32° /21° | 9.2 mm | 10 | |
| Jul. 7 |  Light rain shower | 31° /23° | 12 mm | 7 | |
| Jul. 8 |  Thundery outbreaks possible | 33° /23° | 57.3 mm | 11 | |
| Jul. 9 | Fog | 30° /22° | 40.4 mm | 7 | |
| Jul. 10 | Light rain shower | 29° /21° | 53.4 mm | 7 | |
| Jul. 11 | Fog | 31° /20° | 2.8 mm | 10 | |
| Jul. 12 |  Overcast | 31° /22° | 5.3 mm | 10 | |
| Jul. 13 | Light rain shower | 29° /20° | 7.2 mm | 8 | |
| Jul. 14 | Thundery outbreaks possible | 34° /20° | 0 mm | 9 | |
| Jul. 15 | Fog | 35° /22° | 0 mm | 10 | |
| Jul. 16 |  Heavy rain at times | 34° /24° | 5.9 mm | 11 | |
| Jul. 17 |  Heavy rain | 35° /22° | 25.5 mm | 11 | |
| Jul. 18 | Light rain shower | 34° /23° | 10.9 mm | 11 | |
| Jul. 19 | Light rain shower | 30° /22° | 11.3 mm | 8 | |
| Jul. 20 |  Cloudy | 33° /20° | 0 mm | 12 | |
| Jul. 21 | Overcast | 31° /22° | 19.9 mm | 11 | |
| Jul. 22 | Cloudy | 30° /19° | 1.8 mm | 12 | |
| Jul. 23 | Overcast | 29° /19° | 0 mm | 11 | |
| Jul. 24 | Mist | 32° /18° | 0 mm | 11 | |
| Jul. 25 | Light rain shower | 33° /21° | 3.1 mm | 12 | |
| Jul. 26 | Overcast | 31° /21° | 2.3 mm | 9 | |
| Jul. 27 | Moderate or heavy rain shower | 33° /22° | 13.8 mm | 9 | |
| Jul. 28 | Sunny | 34° /23° | 9.7 mm | 11 | |
| Jul. 29 | Mist | 32° /22° | 0 mm | 11 | |
| Jul. 30 | Fog | 34° /22° | 0 mm | 11 | |
| Jul. 31 | Overcast | 33° /21° | 7.6 mm | 9 | |
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Important Notice
Our weather forecast for Herndon 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 Herndon forecast closer to your planned date for the most up-to-date weather information.
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Herndon in July - FAQ
What are the expected maximum and minimum temperatures in Herndon during July?
During July, expect a variety of temperatures with highs around 33° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Herndon during July?
Significant rainfall exceeding 313.9 mm is expected in Herndon during July, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Herndon during July?
The average wind speed in Herndon during July is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Herndon
Explore the daily rainfall trends and prepare for Herndons July weather 💧
Typically, Herndon has 17 rainy days in July with a total of 313.9 mm of rainfall.
UV exposure in Herndon during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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