| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Sep. 21 - Sep. 30 |
| Average Last Frost Date: | Jun. 11 - Jun. 20 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 13f - Moist Wasatch Front Footslopes |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 84121 - Salt Lake City, UT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 25 | 32 | 38 | 45 | 54 | 60 | 60 | 51 | 40 | 30 | 22 | 40 |
| Avg Max Temp (°F) | 37 | 44 | 52 | 60 | 69 | 81 | 89 | 87 | 77 | 63 | 48 | 38 | 62 |
| Avg Precip (In.) | 1.79 | 1.43 | 1.79 | 2.18 | 1.97 | 1.07 | .82 | 1.01 | .91 | 1.64 | 1.49 | 1.53 | 17.63 |