Average annual temperature is 14.8 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: -5.0 °C
Number of sunny days: 235 days
Number of rainy days: 128 days
Number of snow days: 2 days
Look at detailed online map of Deadwood
* Weather data for Deadwood 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) | 17.8 | 19.0 | 16.4 | 29.2 | 32.0 | 37.8 | 41.8 | 41.3 | 34.9 | 30.9 | 22.5 | 19.4 |
| Average daytime temperature (°C) | 10.8 | 11.6 | 9.9 | 18.9 | 23.7 | 28.9 | 35.8 | 33.7 | 27.2 | 23.4 | 16.8 | 13.7 |
| Average temperature (°C) | 6.2 | 6.0 | 5.2 | 12.1 | 16.7 | 21.0 | 27.3 | 25.7 | 19.8 | 16.5 | 11.0 | 9.2 |
| Average night temperature (°C) | 3.0 | 1.8 | 1.8 | 6.4 | 10.2 | 13.5 | 18.3 | 17.9 | 13.3 | 11.5 | 6.8 | 6.0 |
| Absolute minimum temperature (°C) | -5.0 | -2.5 | -3.8 | -1.4 | 3.5 | 9.0 | 12.7 | 12.1 | 8.4 | 1.1 | 1.7 | 0.3 |
| 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) | 4.7 | 7.2 | 6.1 | 10.7 | 11.5 | 13.1 | 13.6 | 12.0 | 11.1 | 9.2 | 7.7 | 5.2 |
| Precipitation (mm) | 414 | 149 | 417 | 50 | 55 | 4 | 0 | 20 | 45 | 22 | 83 | 200 |
| Sunny days | 11 | 14 | 8 | 21 | 20 | 22 | 31 | 27 | 23 | 22 | 19 | 17 |
| Rainy days | 20 | 12 | 23 | 9 | 11 | 8 | 0 | 4 | 7 | 9 | 11 | 14 |
| Snow days | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Deadwood during the most sunny months:
The largest precipitation sum in Deadwood is at