| 2023 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 5b: -15°F to -10°F Zone 4b: -25°F to -20°F Zone 5a: -20°F to -15°F Zone 4a: -30°F to -25°F | |
| 2012 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 4b: -25°F to -20°F Zone 5a: -20°F to -15°F Zone 4a: -30°F to -25°F | |
| 1990 Hardiness Zone: | Zone 4a: -30F to -25F | |
| Average First Frost Date: | Aug. 1 - Aug. 10 | |
| Average Last Frost Date: | Jul. 11 - Jul. 20 | |
| 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 81251 - Twin Lakes, CO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 2 | 3 | 9 | 16 | 26 | 34 | 38 | 38 | 31 | 22 | 11 | 4 | 20 |
| Avg Max Temp (°F) | 29 | 33 | 39 | 44 | 53 | 64 | 69 | 67 | 61 | 50 | 35 | 30 | 48 |
| Avg Precip (In.) | .42 | .48 | .77 | .77 | .97 | .82 | 1.49 | 1.49 | .9 | .65 | .53 | .44 | 9.74 |