| 2023 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 |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5a: -20°F to -15°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: | Oct. 1 - Oct. 10 |
| 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 84660 - Spanish Fork, UT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 22 | 28 | 34 | 41 | 49 | 56 | 55 | 45 | 35 | 27 | 19 | 36 |
| Avg Max Temp (°F) | 37 | 45 | 55 | 62 | 73 | 84 | 91 | 89 | 79 | 66 | 50 | 39 | 64 |
| Avg Precip (In.) | 1.96 | 1.49 | 1.29 | 1.69 | 1.49 | .69 | .6 | .66 | .5 | .98 | 1.21 | 1.28 | 13.84 |