| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F | |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F | |
| Average First Frost Date: | Aug. 21 - Aug. 31 | |
| Average Last Frost Date: | Jul. 21 - Jul. 31 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 21b - Crystalline Subalpine Forests | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 80421 - Bailey, CO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 8 | 10 | 17 | 23 | 31 | 38 | 44 | 43 | 35 | 25 | 16 | 9 | 25 |
| Avg Max Temp (°F) | 38 | 42 | 47 | 53 | 62 | 73 | 78 | 76 | 69 | 59 | 45 | 39 | 57 |
| Avg Precip (In.) | .39 | .52 | 1.24 | 1.81 | 2.09 | 1.73 | 2.49 | 2.56 | 1.28 | 1.13 | .88 | .58 | 16.71 |