Average annual temperature is 12.0 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -20.3 °C
Number of sunny days: 191 days
Number of rainy days: 162 days
Number of snow days: 12 days
Look at detailed online map of South Ottawa (historical)
* Weather data for South Ottawa (historical) United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 13.8 | 14.6 | 21.2 | 26.1 | 32.0 | 34.2 | 35.2 | 36.2 | 33.6 | 28.6 | 21.2 | 15.3 |
| Average daytime temperature (°C) | 3.6 | 6.7 | 9.1 | 17.9 | 24.3 | 29.3 | 29.0 | 28.5 | 25.3 | 17.8 | 10.5 | 7.4 |
| Average temperature (°C) | -0.4 | 1.0 | 3.7 | 10.8 | 17.7 | 22.6 | 23.5 | 22.9 | 20.0 | 13.1 | 5.4 | 3.5 |
| Average night temperature (°C) | -3.3 | -3.2 | -0.3 | 4.9 | 11.6 | 16.3 | 18.3 | 18.1 | 15.7 | 9.2 | 1.2 | 0.8 |
| Absolute minimum temperature (°C) | -20.3 | -18.4 | -12.0 | -1.6 | 1.7 | 9.5 | 13.6 | 11.5 | 10.1 | -1.9 | -10.3 | -7.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.3 | 7.5 | 6.7 | 9.2 | 10.9 | 12.3 | 12.2 | 10.8 | 8.6 | 7.0 | 7.3 | 4.3 |
| Precipitation (mm) | 62 | 73 | 100 | 102 | 130 | 18 | 169 | 96 | 192 | 119 | 29 | 64 |
| Sunny days | 12 | 17 | 14 | 16 | 19 | 20 | 13 | 17 | 12 | 13 | 22 | 16 |
| Rainy days | 13 | 9 | 16 | 14 | 12 | 10 | 18 | 14 | 18 | 17 | 7 | 14 |
| Snow days | 6 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
The best time to visit South Ottawa (historical) during the most sunny months:
The largest precipitation sum in South Ottawa (historical) is at