Seattle Weather in August
24°C high · 12.9°C low · 31 mm rain · 8.4h sun
Yes — Aug is one of the best months to visit Seattle, with mild weather and 8.4h of daily sunshine.
August at a glance
| Metric | Value |
|---|---|
| Average high | 24°C |
| Average low | 12.9°C |
| Rainfall | 31 mm |
| Sunshine | 8.4 hours/day |
| Daylight | 14.1 hours |
What to pack in August
Pack comfortable clothes with a light layer for evenings for Seattle in August.
Seattle weather by month
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Frequently asked questions
What is the weather in Seattle in August?
Highs of 24°C and lows of 12.9°C, with about 31 mm of rain and 8.4 hours of sunshine per day.
Is August a good time to visit Seattle?
Yes — Aug is one of the best months to visit Seattle, with mild weather and 8.4h of daily sunshine.
What to do in Seattle · Best time to visit Seattle
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.