| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F Zone 6a: -10°F to -5°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 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: | Sep.11 - Sep. 20 | |
| Average Last Frost Date: | Jun. 1 - Jun. 10 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 22b - San Luis Alluvial Flats and Wetlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 81132 - Del Norte, CO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 5 | 12 | 20 | 26 | 35 | 43 | 48 | 47 | 40 | 30 | 18 | 8 | 28 |
| Avg Max Temp (°F) | 35 | 40 | 49 | 57 | 66 | 75 | 77 | 75 | 70 | 61 | 46 | 36 | 57 |
| Avg Precip (In.) | .31 | .34 | .84 | .72 | .92 | .79 | 1.6 | 1.99 | 1.15 | .84 | .67 | .47 | 10.65 |