| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F 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: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 25a - Pine Ridge Escarpment | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 69337 - Chadron, NE | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 10 | 15 | 23 | 33 | 44 | 53 | 59 | 58 | 46 | 34 | 21 | 12 | 34 |
| Avg Max Temp (°F) | 35 | 41 | 49 | 59 | 70 | 81 | 89 | 88 | 77 | 64 | 46 | 38 | 61 |
| Avg Precip (In.) | .46 | .46 | .91 | 1.9 | 3.01 | 2.64 | 2.12 | 1.67 | 1.44 | 1.05 | .58 | .41 | 16.66 |