| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F | |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 17a - Black Hills Plateau | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 57785 - Sturgis, SD | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 16 | 23 | 32 | 42 | 51 | 57 | 56 | 46 | 35 | 22 | 14 | 34 |
| Avg Max Temp (°F) | 35 | 40 | 47 | 57 | 68 | 78 | 85 | 85 | 74 | 61 | 45 | 37 | 59 |
| Avg Precip (In.) | .57 | .68 | 1.53 | 2.7 | 3.78 | 3.68 | 2.24 | 1.59 | 1.34 | 1.89 | 1.01 | .62 | 21.65 |