| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5a: -20°F to -15°F Zone 3b: -35°F to -30°F Zone 4a: -30°F to -25°F Zone 4b: -25°F to -20°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: | July 11 - July 20 |
| Average Last Frost Date: | Jul. 1 - Jul. 10 |
| Koppen-Geiger Climate Zone: | Dfc - Subarctic With Cool Summers And Year Around Rainfall |
| Ecoregion: | 21c - Crystalline Mid-Elevation Forests and Shrublands |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 80442 - Fraser, CO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | -2 | 0 | 5 | 17 | 26 | 32 | 37 | 36 | 28 | 20 | 10 | 0 | 17 |
| Avg Max Temp (°F) | 27 | 32 | 37 | 44 | 57 | 65 | 72 | 71 | 63 | 53 | 39 | 28 | 49 |
| Avg Precip (In.) | 1.63 | 1.54 | 1.56 | 2.01 | 1.95 | 1.16 | 1.51 | 1.41 | 1.17 | .91 | 1.51 | 1.64 | 18 |