| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 20a - Monticello-Cortez Uplands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 81137 - Ignacio, CO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 16 | 24 | 28 | 36 | 43 | 50 | 50 | 42 | 32 | 22 | 13 | 31 |
| Avg Max Temp (°F) | 39 | 46 | 54 | 61 | 71 | 83 | 87 | 84 | 77 | 65 | 50 | 41 | 63 |
| Avg Precip (In.) | 1.31 | 1.1 | 1.4 | .86 | .95 | .42 | 1.3 | 1.75 | 1.54 | 1.47 | 1.28 | 1.03 | 14.4 |