| 2023 Hardiness Zone: | Zone 4b: -25°F to -20°F | |
| 2012 Hardiness Zone: | Zone 4b: -25°F to -20°F | |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F | |
| 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: | 42f - Southern Missouri Coteau Slope | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 57601 - Mobridge, SD | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 3 | 10 | 21 | 33 | 45 | 55 | 61 | 59 | 48 | 36 | 21 | 9 | 33 |
| Avg Max Temp (°F) | 23 | 31 | 41 | 57 | 69 | 78 | 85 | 84 | 73 | 60 | 40 | 27 | 56 |
| Avg Precip (In.) | .36 | .43 | 1.07 | 1.69 | 2.65 | 2.97 | 2.31 | 1.88 | 1.35 | 1.52 | .59 | .39 | 17.21 |