August
Weather in Washington, D.C. for August 2025
Your guide to Washington, D.C. weather in August - trends and predictions
In general, the average temperature in Washington, D.C. at the beginning of August is 31.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 31.7 °F by the end of August.
Washington, D.C. experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 115.7 mm.
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Temperatures
Rain 🌧️
More
3
Dry days
28
Rainy days
0
Snow days
30°/20°
Temperatures
12 km/h
Avg max wind
66 %
Avg humidity
Washington, D.C. in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2 31° | 3  31° | ||||
| 4  31° | 5 32° | 6 33° | 7  30° | 8 31° | 9 31° | 10 32° |
| 11 32° | 12 32° | 13 32° | 14 30° | 15 28° | 16  27° | 17 29° |
| 18 30° | 19 30° | 20  28° | 21 29° | 22 29° | 23 30° | 24 31° |
| 25 34° | 26 33° | 27 33° | 28 33° | 29  29° | 30 30° | 31 30° |
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Temperatures trend during August in Washington, D.C.
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 | 30° /20° | 3.4 mm | 7 | |
| Aug. 2 | Patchy rain possible | 31° /19° | 0.7 mm | 7 | |
| Aug. 3 | Sunny | 31° /19° | 1.8 mm | 7 | |
| Aug. 4 | Partly cloudy | 31° /19° | 2 mm | 7 | |
| Aug. 5 | Sunny | 32° /20° | 2.3 mm | 7 | |
| Aug. 6 | Patchy rain possible | 33° /21° | 3.2 mm | 8 | |
| Aug. 7 | Moderate or heavy rain shower | 30° /20° | 4.6 mm | 6 | |
| Aug. 8 | Partly cloudy | 31° /21° | 2.4 mm | 7 | |
| Aug. 9 | Moderate or heavy rain shower | 31° /21° | 6.9 mm | 7 | |
| Aug. 10 | Patchy rain possible | 32° /21° | 7.5 mm | 7 | |
| Aug. 11 | Moderate rain at times | 32° /20° | 5.8 mm | 7 | |
| Aug. 12 | Partly cloudy | 32° /20° | 0.1 mm | 8 | |
| Aug. 13 | Moderate or heavy rain shower | 32° /20° | 1.4 mm | 7 | |
| Aug. 14 | Moderate or heavy rain shower | 30° /19° | 10.7 mm | 7 | |
| Aug. 15 | Moderate or heavy rain shower | 28° /19° | 9.7 mm | 7 | |
| Aug. 16 | Heavy rain at times | 27° /19° | 1.7 mm | 6 | |
| Aug. 17 | Patchy rain possible | 29° /19° | 4.5 mm | 6 | |
| Aug. 18 | Moderate or heavy rain shower | 30° /20° | 5.5 mm | 7 | |
| Aug. 19 | Partly cloudy | 30° /18° | 1.9 mm | 7 | |
| Aug. 20 | Cloudy | 28° /18° | 3.3 mm | 6 | |
| Aug. 21 | Moderate or heavy rain shower | 29° /17° | 5.1 mm | 7 | |
| Aug. 22 | Moderate rain at times | 29° /19° | 4.3 mm | 7 | |
| Aug. 23 | Partly cloudy | 30° /18° | 0.7 mm | 7 | |
| Aug. 24 | Partly cloudy | 31° /19° | 3.8 mm | 7 | |
| Aug. 25 | Patchy rain possible | 34° /20° | 10.9 mm | 8 | |
| Aug. 26 | Moderate or heavy rain shower | 33° /20° | 1.1 mm | 7 | |
| Aug. 27 | Patchy rain possible | 33° /20° | 1.9 mm | 7 | |
| Aug. 28 | Moderate or heavy rain shower | 33° /21° | 2.3 mm | 7 | |
| Aug. 29 | Overcast | 29° /20° | 1.8 mm | 7 | |
| Aug. 30 | Patchy rain possible | 30° /21° | 2.5 mm | 7 | |
| Aug. 31 | Moderate rain at times | 30° /19° | 2 mm | 7 | |
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Important Notice
Our weather forecast for Washington, D.C. 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 Washington, D.C. forecast closer to your planned date for the most up-to-date weather information.
Washington, D.C. in August - FAQ
What are the expected maximum and minimum temperatures in Washington, D.C. during August?
Expect warm days with temperatures around 30°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Washington, D.C. during August?
Significant rainfall exceeding 115.7 mm is expected in Washington, D.C. during August, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Washington, D.C. during August?
The average wind speed in Washington, D.C. during August is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Washington, D.C.
Explore the daily rainfall trends and prepare for Washington, D.C.s August weather 💧
UV exposure in Washington, D.C. during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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