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 31.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.6 °F by the end of August.
The climate of Washington, D.C. in August is notably wet, with an average of 14 rainy days.
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17
Dry days
14
Rainy days
0
Snow days
31°/19°
Temperatures
14 km/h
Avg max wind
65 %
Avg humidity
Washington, D.C. in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  32° | 2  32° | 3  33° | ||||
| 4 29° | 5 34° | 6  34° | 7 29° | 8 29° | 9 28° | 10  29° |
| 11 30° | 12 31° | 13 31° | 14 30° | 15 32° | 16 28° | 17 31° |
| 18 30° | 19  28° | 20 29° | 21 30° | 22 28° | 23 29° | 24 28° |
| 25  34° | 26  33° | 27 33° | 28 32° | 29 27° | 30  27° | 31 28° |
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Temperatures trend during August in Washington, D.C.
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August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Cloudy | 32° /20° | 0.7 mm | 7 | |
| Aug. 2 | Overcast | 32° /18° | 1.4 mm | 7 | |
| Aug. 3 | Moderate or heavy rain shower | 33° /20° | 3.6 mm | 7 | |
| Aug. 4 | Overcast | 29° /19° | 2.9 mm | 7 | |
| Aug. 5 | Overcast | 34° /20° | 0 mm | 8 | |
| Aug. 6 | Patchy rain possible | 34° /21° | 6 mm | 8 | |
| Aug. 7 | Cloudy | 29° /20° | 7.3 mm | 6 | |
| Aug. 8 | Overcast | 29° /21° | 4.7 mm | 7 | |
| Aug. 9 | Overcast | 28° /20° | 10.6 mm | 6 | |
| Aug. 10 | Heavy rain at times | 29° /20° | 5.1 mm | 6 | |
| Aug. 11 | Overcast | 30° /18° | 0 mm | 7 | |
| Aug. 12 | Cloudy | 31° /19° | 0 mm | 7 | |
| Aug. 13 | Overcast | 31° /20° | 0.1 mm | 7 | |
| Aug. 14 | Moderate or heavy rain shower | 30° /20° | 11.5 mm | 7 | |
| Aug. 15 | Moderate or heavy rain shower | 32° /20° | 8.5 mm | 8 | |
| Aug. 16 | Cloudy | 28° /19° | 0.2 mm | 7 | |
| Aug. 17 | Patchy rain possible | 31° /20° | 4.5 mm | 7 | |
| Aug. 18 | Overcast | 30° /21° | 7.8 mm | 7 | |
| Aug. 19 | Sunny | 28° /17° | 3.2 mm | 7 | |
| Aug. 20 | Cloudy | 29° /16° | 0 mm | 7 | |
| Aug. 21 | Overcast | 30° /16° | 0 mm | 7 | |
| Aug. 22 | Overcast | 28° /17° | 0 mm | 7 | |
| Aug. 23 | Cloudy | 29° /15° | 0 mm | 7 | |
| Aug. 24 | Heavy rain at times | 28° /17° | 5.3 mm | 7 | |
| Aug. 25 | Torrential rain shower | 34° /18° | 21.2 mm | 8 | |
| Aug. 26 | Mist | 33° /20° | 0.7 mm | 7 | |
| Aug. 27 | Patchy rain possible | 33° /20° | 0.6 mm | 7 | |
| Aug. 28 | Light rain shower | 32° /21° | 2.7 mm | 8 | |
| Aug. 29 | Mist | 27° /19° | 3.7 mm | 6 | |
| Aug. 30 | Light rain | 27° /20° | 2 mm | 6 | |
| Aug. 31 | Overcast | 28° /18° | 1.5 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 31°, cooling to mild conditions of 19° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Washington, D.C. during August?
Significant rainfall exceeding 128.4 mm is expected in Washington, D.C. during August, occurring over more than 14 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 14 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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