Average annual temperature is 11.2 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -17.1 °C
Number of sunny days: 161 days
Number of rainy days: 185 days
Number of snow days: 19 days
Look at detailed online map of Saint Joseph County
* Weather data for Saint Joseph County 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) | 16.1 | 13.9 | 18.0 | 25.9 | 32.0 | 33.8 | 32.6 | 34.1 | 31.2 | 28.9 | 19.0 | 13.5 |
| Average daytime temperature (°C) | 3.9 | 6.3 | 7.2 | 16.4 | 22.4 | 27.4 | 28.0 | 26.5 | 24.1 | 16.8 | 10.1 | 6.7 |
| Average temperature (°C) | 0.4 | 0.8 | 2.3 | 9.7 | 16.0 | 20.7 | 22.4 | 21.2 | 18.9 | 12.4 | 5.1 | 3.6 |
| Average night temperature (°C) | -2.2 | -2.9 | -1.3 | 4.3 | 10.1 | 14.9 | 17.4 | 16.7 | 14.6 | 9.1 | 1.4 | 1.2 |
| Absolute minimum temperature (°C) | -12.9 | -17.1 | -9.1 | -4.8 | 1.2 | 9.4 | 12.7 | 10.7 | 8.7 | -3.9 | -8.3 | -5.9 |
| 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) | 3.0 | 7.3 | 6.0 | 8.8 | 10.2 | 11.1 | 12.1 | 10.6 | 8.6 | 6.2 | 6.7 | 3.4 |
| Precipitation (mm) | 83 | 89 | 128 | 82 | 82 | 61 | 114 | 136 | 54 | 185 | 42 | 66 |
| Sunny days | 11 | 14 | 9 | 14 | 20 | 19 | 10 | 12 | 14 | 8 | 21 | 9 |
| Rainy days | 13 | 11 | 18 | 16 | 11 | 11 | 21 | 19 | 16 | 22 | 7 | 20 |
| Snow days | 7 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 |
The best time to visit Saint Joseph County during the most sunny months:
The largest precipitation sum in Saint Joseph County is at