| 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: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 13f - Moist Wasatch Front Footslopes | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 84120 - West Valley City, UT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 25 | 33 | 39 | 47 | 57 | 64 | 63 | 52 | 41 | 30 | 22 | 41 |
| Avg Max Temp (°F) | 37 | 43 | 52 | 60 | 70 | 81 | 90 | 88 | 77 | 63 | 49 | 38 | 62 |
| Avg Precip (In.) | 1.23 | 1.04 | 1.27 | 1.88 | 1.72 | .95 | .71 | .75 | .9 | 1.35 | 1.13 | 1.04 | 13.96 |