Average annual temperature is 12.1 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: -11.4 °C
Number of sunny days: 172 days
Number of rainy days: 182 days
Number of snow days: 11 days
Look at detailed online map of Rushmore
* Weather data for Rushmore 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) | 17.3 | 19.4 | 19.2 | 26.7 | 30.8 | 33.0 | 32.8 | 32.4 | 32.3 | 29.4 | 20.9 | 16.5 |
| Average daytime temperature (°C) | 5.1 | 9.2 | 9.6 | 17.6 | 22.3 | 26.6 | 28.7 | 27.0 | 25.0 | 18.0 | 11.4 | 8.6 |
| Average temperature (°C) | 1.7 | 2.9 | 3.9 | 10.8 | 15.8 | 20.5 | 23.5 | 21.7 | 19.5 | 13.3 | 5.9 | 4.9 |
| Average night temperature (°C) | -1.1 | -1.4 | -0.2 | 5.1 | 9.8 | 14.6 | 18.7 | 17.0 | 14.7 | 9.4 | 1.9 | 2.1 |
| Absolute minimum temperature (°C) | -11.4 | -11.4 | -7.5 | -0.9 | 2.0 | 10.4 | 13.9 | 10.8 | 8.6 | -2.9 | -7.6 | -4.4 |
| 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 | 9.3 |
| 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) | 2.9 | 7.3 | 7.1 | 9.0 | 10.3 | 10.6 | 12.0 | 10.7 | 9.3 | 6.9 | 7.3 | 4.1 |
| Precipitation (mm) | 101 | 77 | 106 | 76 | 57 | 92 | 88 | 120 | 24 | 69 | 20 | 49 |
| Sunny days | 9 | 17 | 11 | 14 | 18 | 16 | 7 | 14 | 18 | 14 | 21 | 13 |
| Rainy days | 18 | 10 | 16 | 16 | 13 | 14 | 24 | 17 | 12 | 16 | 9 | 17 |
| Snow days | 4 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
The best time to visit Rushmore during the most sunny months:
The largest precipitation sum in Rushmore is at