Weather in Ottawa, Canada
Historical monthly conditions · 2021–2025
Monthly averages
Average daily air-temperature lows/highs and peak wind gusts. Rain is the average monthly total.
| Month | Avg low | Avg high | Rain | Cloud cover | Avg peak gust |
|---|---|---|---|---|---|
| January | -12°C | -4°C | 66.1 mm | 73% | 34.9 km/h |
| February | -13°C | -2°C | 67.5 mm | 68% | 38.3 km/h |
| March | -5°C | 5°C | 82.8 mm | 69% | 40.9 km/h |
| April | 2°C | 12°C | 116.3 mm | 65% | 41.2 km/h |
| May | 8°C | 20°C | 87.1 mm | 61% | 35.8 km/h |
| June | 13°C | 24°C | 113.9 mm | 63% | 37.2 km/h |
| July | 15°C | 26°C | 114.7 mm | 57% | 34.2 km/h |
| August | 15°C | 25°C | 109.4 mm | 58% | 32.2 km/h |
| September | 10°C | 22°C | 67.3 mm | 54% | 31.3 km/h |
| October | 5°C | 16°C | 88.6 mm | 60% | 34.5 km/h |
| November | -2°C | 6°C | 72.9 mm | 69% | 38.5 km/h |
| December | -8°C | -1°C | 96.8 mm | 80% | 38.3 km/h |
Weather match by month
Feels like 15°C–30°C · cloud ≤60% · rain ≤0.1 mm/h · gust ≤50 km/h
Feels-like temperature accounts for humidity and wind in shade. Percentages cover 08:00–20:00 local solar time.
| Month | Match rate | |
|---|---|---|
| January | 0.0% | |
| February | 0.0% | |
| March | 0.0% | |
| April | 4.1% | |
| May | 19.2% | |
| June | 28.1% | |
| July | 39.0% | |
| August | 36.6% | |
| September | 33.6% | |
| October | 11.4% | |
| November | 0.4% | |
| December | 0.0% |
About this location and data
- Urban-centre population
- 605,121
- Elevation
- 122 m
- Coordinates
- 45.39°N, 75.71°W
- Urban area
- 197 km²
Weather averages use 4 ERA5 grid cells, weighted by the area of the urban centre in each cell.
2021-2025 recent-weather sample (not a 30-year normal).
How the weather scores are calculatedNearby places with higher scores
Annual results for the default weather criteria: