August weather in Ottawa, Canada
Averages from 155 days in August across 2020–2024.
Typical conditions
| Average high | 25.1°C |
|---|---|
| Average low | 16.6°C |
| Average mean | 20.5°C |
| Total precipitation | 684.9 mm |
| Rainy days | 102 |
| Average precipitation hours | 4.7 h |
| Average max wind speed | 13.9 km/h |
| Average sunshine | 10.6 h/day |
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