| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°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: | Sep.1 - Sep. 10 | |
| Average Last Frost Date: | Jul. 1 - Jul. 10 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 21f - Sedimentary Mid-Elevation Forests and Shrublands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 81601 - Glenwood Springs, CO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 13 | 17 | 24 | 30 | 37 | 44 | 50 | 50 | 42 | 32 | 21 | 14 | 31 |
| Avg Max Temp (°F) | 35 | 42 | 51 | 59 | 69 | 80 | 86 | 84 | 76 | 64 | 45 | 37 | 60 |
| Avg Precip (In.) | 1.06 | 1.28 | 1.7 | 1.61 | 2.01 | 1.17 | 1.3 | .82 | 1.6 | 1.69 | 1.38 | 1.28 | 16.9 |