| 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 3b: -35°F to -30°F Zone 5b: -15°F to -10°F Zone 4b: -25°F to -20°F Zone 5a: -20°F to -15°F Zone 4a: -30°F to -25°F | |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F | |
| Average First Frost Date: | Sep.11 - Sep. 20 | |
| Average Last Frost Date: | Jun. 11 - Jun. 20 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 17c - Black Hills Core Highlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 57754 - Lead, SD | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 16 | 21 | 29 | 39 | 48 | 54 | 53 | 43 | 33 | 21 | 14 | 32 |
| Avg Max Temp (°F) | 33 | 37 | 42 | 51 | 61 | 71 | 78 | 78 | 68 | 56 | 41 | 35 | 54 |
| Avg Precip (In.) | 1.23 | 1.33 | 2.44 | 3.59 | 4.31 | 3.84 | 2.72 | 2.07 | 1.69 | 2.6 | 1.72 | 1.41 | 28.95 |