Average annual temperature is 8.9 °C
Absolute maximum temperature: 30.7 °C
Absolute minimum temperature: -23.7 °C
Number of sunny days: 142 days
Number of rainy days: 182 days
Number of snow days: 41 days
Look at detailed online map of Waterloo
* Weather data for Waterloo Canada is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 6.1 | 12.6 | 10.2 | 25.9 | 29.6 | 30.7 | 30.0 | 27.2 | 30.6 | 27.4 | 13.6 | 12.5 |
| Average daytime temperature (°C) | 1.1 | 2.8 | 4.2 | 14.0 | 19.6 | 23.8 | 26.0 | 23.6 | 22.1 | 15.1 | 6.8 | 4.8 |
| Average temperature (°C) | -1.6 | -2.6 | -0.7 | 7.7 | 12.9 | 18.4 | 20.6 | 18.7 | 16.9 | 11.2 | 2.8 | 2.0 |
| Average night temperature (°C) | -4.1 | -6.7 | -4.8 | 2.6 | 6.7 | 13.3 | 15.9 | 14.3 | 12.8 | 8.2 | -0.6 | -0.1 |
| Absolute minimum temperature (°C) | -14.6 | -23.7 | -11.1 | -6.9 | 0.0 | 9.3 | 11.6 | 8.6 | 5.0 | -1.2 | -7.2 | -5.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 2.3 | 6.1 | 6.2 | 8.4 | 11.5 | 11.3 | 11.5 | 9.9 | 9.6 | 5.5 | 5.0 | 2.2 |
| Precipitation (mm) | 76 | 68 | 115 | 114 | 45 | 96 | 136 | 80 | 23 | 65 | 46 | 72 |
| Sunny days | 9 | 11 | 7 | 11 | 20 | 15 | 4 | 12 | 14 | 11 | 16 | 12 |
| Rainy days | 12 | 9 | 11 | 18 | 11 | 15 | 27 | 19 | 16 | 19 | 11 | 14 |
| Snow days | 10 | 8 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 5 |
The best time to visit Waterloo during the most sunny months:
Months with the longest average daylight duration in Waterloo:
The largest precipitation sum in Waterloo is at