| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F | |
| 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: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 81226 - Florence, CO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 22 | 28 | 35 | 44 | 53 | 57 | 56 | 48 | 38 | 26 | 20 | 37 |
| Avg Max Temp (°F) | 48 | 52 | 57 | 64 | 73 | 84 | 89 | 87 | 79 | 68 | 55 | 49 | 67 |
| Avg Precip (In.) | .4 | .36 | .88 | 1.42 | 1.74 | 1.33 | 1.84 | 2.07 | 1.03 | .68 | .66 | .4 | 12.83 |