| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°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 1b: -15F to -10F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | Dsa - Humid Continental Climate - Dry Warm Summer | |
| 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 84340 - Willard, UT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 21 | 28 | 33 | 42 | 49 | 56 | 55 | 46 | 36 | 26 | 19 | 36 |
| Avg Max Temp (°F) | 34 | 40 | 49 | 56 | 69 | 78 | 87 | 88 | 76 | 61 | 45 | 35 | 60 |
| Avg Precip (In.) | 1.96 | 1.6 | 1.85 | 1.94 | 2.16 | 1.2 | .66 | .77 | 1.25 | 1.85 | 1.66 | 1.56 | 18.46 |