Average annual temperature is 9.3 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: -19.5 °C
Number of sunny days: 147 days
Number of rainy days: 190 days
Number of snow days: 28 days
Look at detailed online map of Piatt
* Weather data for Piatt 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) | 12.5 | 14.7 | 13.2 | 26.9 | 28.2 | 30.5 | 31.3 | 28.0 | 30.6 | 25.2 | 15.7 | 10.2 |
| Average daytime temperature (°C) | 3.4 | 5.6 | 5.9 | 15.6 | 18.9 | 22.4 | 27.1 | 23.6 | 21.4 | 15.0 | 6.8 | 5.0 |
| Average temperature (°C) | 0.4 | -0.3 | 0.8 | 9.3 | 12.2 | 17.0 | 21.4 | 18.7 | 16.1 | 10.9 | 2.4 | 1.7 |
| Average night temperature (°C) | -2.0 | -4.7 | -3.1 | 4.1 | 6.3 | 12.3 | 16.8 | 14.8 | 12.1 | 7.5 | -0.9 | -0.8 |
| Absolute minimum temperature (°C) | -8.2 | -19.5 | -8.9 | -4.6 | -0.5 | 6.7 | 12.2 | 10.6 | 6.4 | -1.8 | -7.4 | -6.5 |
| 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 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.3 | 6.3 | 6.6 | 8.5 | 11.8 | 10.9 | 11.4 | 9.9 | 8.6 | 6.9 | 6.8 | 3.4 |
| Precipitation (mm) | 86 | 46 | 88 | 91 | 35 | 107 | 108 | 126 | 86 | 92 | 42 | 124 |
| Sunny days | 8 | 12 | 8 | 13 | 20 | 10 | 8 | 8 | 15 | 16 | 16 | 13 |
| Rainy days | 17 | 12 | 15 | 15 | 11 | 20 | 23 | 23 | 15 | 15 | 10 | 14 |
| Snow days | 6 | 4 | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 |
The best time to visit Piatt during the most sunny months:
The largest precipitation sum in Piatt is at