| 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 5b: -15°F to -10°F | |
| 2012 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 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 13c - Sagebrush Basins and Slopes | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 84074 - Tooele, UT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 24 | 29 | 35 | 43 | 52 | 59 | 58 | 49 | 37 | 26 | 20 | 38 |
| Avg Max Temp (°F) | 38 | 45 | 52 | 59 | 68 | 79 | 89 | 88 | 77 | 63 | 46 | 39 | 62 |
| Avg Precip (In.) | 1.46 | 1.48 | 2.19 | 2.22 | 2.18 | .87 | .87 | .9 | 1.46 | 1.81 | 1.76 | 1.38 | 18.59 |