| 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 5a: -20°F to -15°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F | |
| Average First Frost Date: | Sep.11 - Sep. 20 | |
| Average Last Frost Date: | Jun. 11 - Jun. 20 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 20c - Semiarid Benchlands and Canyonlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 81323 - Dolores, CO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 19 | 24 | 30 | 38 | 47 | 53 | 52 | 45 | 35 | 24 | 17 | 33 |
| Avg Max Temp (°F) | 38 | 42 | 49 | 57 | 68 | 80 | 85 | 82 | 75 | 63 | 48 | 39 | 60 |
| Avg Precip (In.) | 1.65 | 1.53 | 2.04 | 1.37 | 1.36 | .65 | 1.49 | 1.75 | 1.6 | 2.02 | 1.92 | 1.29 | 18.69 |