| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 6b: -5°F to 0°F Zone 4b: -25°F to -20°F Zone 6a: -10°F to -5°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 Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F | |
| 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: | 26e - Piedmont Plains and Tablelands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 81089 - Walsenburg, CO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 22 | 27 | 33 | 42 | 50 | 55 | 55 | 47 | 36 | 27 | 20 | 36 |
| Avg Max Temp (°F) | 47 | 50 | 56 | 63 | 71 | 81 | 85 | 83 | 77 | 68 | 55 | 47 | 65 |
| Avg Precip (In.) | .71 | .8 | 1.79 | 1.88 | 1.98 | 1.37 | 2.24 | 2.4 | 1.08 | 1.08 | 1.42 | .95 | 17.7 |