Average annual temperature is 11.9 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -23.5 °C
Number of sunny days: 219 days
Number of rainy days: 119 days
Number of snow days: 27 days
Look at detailed online map of Township of Custer
* Weather data for Township of Custer 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) | 11.8 | 18.5 | 22.1 | 29.1 | 28.4 | 32.2 | 37.8 | 37.1 | 37.1 | 29.5 | 21.5 | 18.5 |
| Average daytime temperature (°C) | 1.9 | 7.0 | 10.4 | 18.7 | 23.6 | 27.9 | 30.8 | 31.2 | 28.8 | 19.6 | 13.9 | 7.7 |
| Average temperature (°C) | -3.0 | -0.9 | 2.8 | 11.0 | 17.4 | 21.7 | 24.3 | 24.7 | 21.7 | 12.8 | 6.8 | 2.1 |
| Average night temperature (°C) | -6.6 | -5.9 | -2.4 | 4.7 | 12.1 | 16.1 | 18.7 | 19.1 | 15.6 | 7.4 | 1.6 | -1.8 |
| Absolute minimum temperature (°C) | -23.5 | -18.3 | -7.8 | -5.2 | 2.8 | 13.2 | 12.6 | 13.2 | 9.8 | -6.9 | -6.7 | -5.5 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.8 | 8.3 | 8.7 | 10.9 | 10.1 | 11.9 | 12.0 | 11.7 | 10.6 | 8.8 | 7.5 | 5.5 |
| Precipitation (mm) | 42 | 36 | 19 | 22 | 89 | 93 | 70 | 63 | 33 | 39 | 10 | 28 |
| Sunny days | 20 | 20 | 20 | 19 | 10 | 13 | 17 | 18 | 19 | 20 | 24 | 19 |
| Rainy days | 2 | 3 | 6 | 10 | 21 | 17 | 14 | 13 | 11 | 10 | 4 | 8 |
| Snow days | 9 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 4 |
The best time to visit Township of Custer during the most sunny months:
The largest precipitation sum in Township of Custer is at