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August weather in Washington, United States

Averages from 155 days in August across 2020–2024.

Typical conditions

Average high29.7°C
Average low20.3°C
Average mean24.5°C
Total precipitation1091.1 mm
Rainy days112
Average precipitation hours5.1 h
Average max wind speed13.7 km/h
Average sunshine10.5 h/day

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