| 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 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F |
| Average First Frost Date: | Sep.11 - Sep. 20 |
| Average Last Frost Date: | Jun. 11 - Jun. 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 21c - Crystalline Mid-Elevation Forests and Shrublands |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 80433 - Conifer, CO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 8 | 11 | 17 | 23 | 32 | 39 | 45 | 43 | 35 | 25 | 16 | 9 | 25 |
| Avg Max Temp (°F) | 40 | 43 | 47 | 53 | 63 | 73 | 79 | 77 | 70 | 60 | 47 | 41 | 58 |
| Avg Precip (In.) | .65 | .89 | 2.05 | 3.17 | 3.31 | 2.31 | 2.43 | 2.5 | 1.43 | 1.67 | 1.39 | .92 | 22.72 |