| 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 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 | |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F | |
| Average First Frost Date: | Aug. 11 - Aug. 20 | |
| Average Last Frost Date: | Jul. 21 - Jul. 31 | |
| Koppen-Geiger Climate Zone: | Dfc - Subarctic With Cool Summers And Year Around Rainfall | |
| Ecoregion: | 21e - Sedimentary Subalpine Forests | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 81427 - Ouray, CO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 14 | 20 | 27 | 35 | 41 | 46 | 46 | 39 | 30 | 18 | 12 | 28 |
| Avg Max Temp (°F) | 33 | 37 | 43 | 50 | 60 | 70 | 75 | 73 | 65 | 55 | 41 | 34 | 53 |
| Avg Precip (In.) | 1.82 | 1.89 | 2.64 | 2.23 | 2.08 | 1.25 | 2.13 | 2.27 | 2.06 | 2.32 | 2.32 | 1.72 | 24.75 |