| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F | |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 13b - Shadscale-Dominated Saline Basins | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 84128 - West Valley City, UT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 25 | 32 | 39 | 47 | 56 | 64 | 63 | 52 | 41 | 30 | 22 | 41 |
| Avg Max Temp (°F) | 37 | 42 | 52 | 60 | 70 | 81 | 89 | 88 | 77 | 63 | 48 | 38 | 62 |
| Avg Precip (In.) | 1.18 | .86 | 1.29 | 1.83 | 1.82 | .87 | .74 | .76 | .95 | 1.2 | 1.17 | .89 | 13.57 |