| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Aug. 21 - Aug. 31 |
| Average Last Frost Date: | Jun. 11 - Jun. 20 |
| Koppen-Geiger Climate Zone: | Dsb - Humid Continental Climate - Dry Cool Summer |
| Ecoregion: | 19d - Wasatch Montane Zone |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 84060 - Park City, UT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 14 | 16 | 22 | 27 | 35 | 42 | 49 | 48 | 40 | 31 | 21 | 14 | 30 |
| Avg Max Temp (°F) | 33 | 37 | 44 | 52 | 61 | 71 | 78 | 78 | 69 | 57 | 43 | 34 | 55 |
| Avg Precip (In.) | 2.77 | 2.53 | 1.63 | .96 | .9 | .38 | .91 | 1.55 | .61 | 1.53 | 2.64 | .23 | 16.63 |