Ottawa Weather Averages
Climate averages for Ottawa based on 10 years of historical data.
Annual avg temp
7.0°C
Annual avg high
11.5°C
Annual avg low
2.6°C
Record high
35°C
Record low
-33°C
Annual rainfall
1166 mm
Rainy days
139
Sunshine
3.0h/day
Fugtighed
80%
Average Ottawa temperatures by month
Avg high
Avg low
Average rainfall in Ottawa by month
Rainfall (mm)
Sunshine hours in Ottawa by month
Sunshine (h/day)
Humidity in Ottawa by month
Average humidity
Month-by-month averages
| Month | Avg High | Avg Low | Rainfall | Sunshine |
|---|---|---|---|---|
| Vejr i Januar | -4°C | -13°C | 77 mm | 1.6h |
| Vejr i Februar | -3°C | -13°C | 75 mm | 1.4h |
| Vejr i Marts | 2°C | -7°C | 80 mm | 2.1h |
| Vejr i April | 10°C | 1°C | 110 mm | 2.7h |
| Vejr i Maj | 19°C | 8°C | 90 mm | 4.6h |
| Vejr i Juni | 23°C | 13°C | 119 mm | 4.6h |
| Vejr i Juli | 26°C | 16°C | 121 mm | 5.0h |
| Vejr i August | 25°C | 16°C | 121 mm | 3.8h |
| Vejr i September | 22°C | 12°C | 82 mm | 4.5h |
| Vejr i Oktober | 14°C | 6°C | 111 mm | 2.6h |
| Vejr i November | 6°C | -1°C | 82 mm | 2.0h |
| Vejr i December | 0°C | -6°C | 97 mm | 1.6h |