Average annual temperature is 8.4 °C
Absolute maximum temperature: 29.1 °C
Absolute minimum temperature: -21.1 °C
Number of sunny days: 119 days
Number of rainy days: 212 days
Number of snow days: 34 days
Look at detailed online map of Custer City
* Weather data for Custer City 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) | 12.1 | 15.1 | 12.9 | 25.9 | 28.5 | 29.1 | 29.0 | 28.5 | 28.2 | 24.8 | 14.0 | 11.7 |
| Average daytime temperature (°C) | 2.6 | 5.6 | 4.4 | 14.7 | 18.6 | 21.5 | 24.8 | 22.6 | 19.9 | 13.9 | 6.5 | 4.8 |
| Average temperature (°C) | -0.8 | -1.1 | -0.4 | 8.1 | 11.9 | 16.2 | 19.6 | 17.7 | 15.1 | 9.9 | 2.2 | 1.5 |
| Average night temperature (°C) | -3.4 | -5.8 | -4.1 | 2.9 | 6.0 | 11.5 | 15.4 | 14.0 | 11.6 | 6.8 | -1.1 | -0.9 |
| Absolute minimum temperature (°C) | -12.1 | -21.1 | -10.3 | -7.2 | -1.3 | 6.8 | 11.9 | 9.2 | 6.8 | -2.0 | -10.3 | -6.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 2.3 | 6.1 | 5.5 | 8.4 | 11.1 | 10.8 | 11.7 | 10.0 | 8.7 | 5.8 | 6.0 | 3.2 |
| Precipitation (mm) | 135 | 75 | 113 | 95 | 42 | 99 | 126 | 130 | 52 | 70 | 57 | 84 |
| Sunny days | 6 | 8 | 6 | 11 | 21 | 7 | 4 | 5 | 14 | 15 | 12 | 10 |
| Rainy days | 17 | 15 | 14 | 18 | 10 | 23 | 27 | 26 | 16 | 16 | 14 | 16 |
| Snow days | 8 | 5 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 5 |
The best time to visit Custer City during the most sunny months:
The largest precipitation sum in Custer City is at