Weather in Washington in August
Washington, United States averages a high of 29.8°C (85.6°F) and low of 20.5°C (68.9°F) in August, with 11 rain days and 10.8 hours of daily sunshine. Travel score: 83.2/100 (Excellent). The best time to visit Washington is September.
High
30°C86°F
Low
21°C69°F
🌧️
11
rain days
☀️
10.8
hrs/day sunshine
💧
71%
humidity
83— Excellent
August in Washington is hot and occasionally wet — ideal for sightseeing and outdoor activities.
What are the average temperatures in Washington?
How much does it rain in Washington in August?
Washington receives an average of 104.8mm of rainfall across 11 rainy days in August. The annual total is 1110.7mm.
What should I pack for Washington in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 30°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (11 days)
☔
Umbrella
Be prepared for occasional showers
🎉Visiting United States in August?
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Data based on 1994–2024 averages · Last updated: 2024-12-31