Average annual temperature is 14.4 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: -9.1 °C
Number of sunny days: 197
Number of rainy days: 167
Number of snow days: 1
Average annual precipitation: 847 mm
Look at detailed online map of Waterloo
* Weather data for Waterloo United States is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 18.5 | 24.4 | 27.2 | 31.5 | 30 | 32.6 | 37.9 | 35.3 | 36.9 | 28.4 | 25.7 | 17.8 |
| Average daytime temperature (°C) | 10.1 | 12.9 | 14.1 | 22.5 | 23.2 | 27.6 | 32.7 | 31.1 | 27 | 21.5 | 13.7 | 10.7 |
| Average temperature (°C) | 5.4 | 7 | 7.5 | 15 | 16.6 | 21 | 25.9 | 24.5 | 21 | 15.3 | 7.6 | 5.5 |
| Average night temperature (°C) | 1.6 | 2.2 | 2.2 | 9 | 10.7 | 15.2 | 20.6 | 19.5 | 16.3 | 10.3 | 2.9 | 1.7 |
| Absolute minimum temperature (°C) | -3.7 | -9.1 | -5.2 | 0.2 | 5.8 | 10 | 17.5 | 15.3 | 9.7 | 5.3 | -6.2 | -4.4 |
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.2 | 11.3 | 12.6 | 13.8 | 14.7 | 14.9 | 14.8 | 14.2 | 13 | 11.8 | 10.6 | 9.7 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12 | 13.2 | 14.3 | 14.8 | 14.6 | 13.7 | 12.5 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.5 | 10.3 | 11.3 | 12.6 | 13.8 | 14.7 | 14.2 | 13.1 | 11.8 | 10.6 | 9.7 | 9.5 |
| Sunshine mean duration (h) | 6.7 | 7.2 | 8.2 | 10.1 | 10.2 | 11.8 | 12 | 10.8 | 9.9 | 8.8 | 8.4 | 6.8 |
| Precipitation (mm) | 62 | 70 | 61 | 93 | 39 | 92 | 82 | 39 | 89 | 20 | 74 | 125 |
| Sunny days | 13 | 16 | 16 | 17 | 18 | 13 | 13 | 14 | 18 | 20 | 24 | 15 |
| Rainy days | 17 | 12 | 15 | 13 | 13 | 17 | 18 | 17 | 12 | 11 | 6 | 16 |
| Snow days | 1 |
The best time to visit Waterloo during the most sunny months:
The largest precipitation sum in Waterloo is at