Average annual temperature is 10.2 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -26.1 °C
Number of sunny days: 194 days
Number of rainy days: 144 days
Number of snow days: 27 days
Look at detailed online map of City of Waterloo
* Weather data for City of Waterloo 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) | 7.8 | 10.0 | 19.6 | 25.7 | 31.8 | 32.9 | 33.1 | 35.8 | 33.7 | 28.4 | 18.0 | 12.6 |
| Average daytime temperature (°C) | 1.1 | 2.7 | 6.0 | 14.8 | 22.6 | 27.9 | 28.5 | 27.3 | 24.3 | 15.7 | 8.2 | 5.4 |
| Average temperature (°C) | -2.6 | -2.5 | 0.7 | 8.6 | 15.4 | 21.1 | 22.9 | 21.8 | 19.1 | 11.6 | 3.5 | 1.8 |
| Average night temperature (°C) | -5.1 | -6.7 | -3.8 | 3.3 | 9.3 | 14.9 | 17.6 | 17.3 | 15.1 | 7.9 | -0.1 | -0.8 |
| Absolute minimum temperature (°C) | -26.1 | -23.7 | -14.9 | -3.3 | 0.0 | 6.8 | 12.8 | 9.5 | 8.0 | -2.9 | -12.3 | -7.8 |
| 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 | 15.3 | 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) | 3.5 | 6.7 | 7.0 | 8.2 | 10.8 | 12.2 | 12.6 | 11.3 | 9.0 | 7.0 | 6.7 | 4.2 |
| Precipitation (mm) | 50 | 74 | 84 | 113 | 46 | 53 | 80 | 105 | 91 | 89 | 34 | 52 |
| Sunny days | 12 | 16 | 13 | 17 | 20 | 21 | 15 | 16 | 14 | 13 | 22 | 15 |
| Rainy days | 12 | 8 | 9 | 13 | 11 | 9 | 16 | 15 | 16 | 16 | 6 | 13 |
| Snow days | 7 | 4 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 3 |
The best time to visit City of Waterloo during the most sunny months:
Months with the longest average daylight duration in City of Waterloo:
The largest precipitation sum in City of Waterloo is at