August weather in Seattle, United States
Averages from 155 days in August across 2020–2024.
Typical conditions
| Average high | 24.7°C |
|---|---|
| Average low | 15.1°C |
| Average mean | 19.3°C |
| Total precipitation | 134.2 mm |
| Rainy days | 51 |
| Average precipitation hours | 1.9 h |
| Average max wind speed | 18.1 km/h |
| Average sunshine | 11.3 h/day |
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