| 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 6b: -5F to 0F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 21 - May 31 |
| 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 84653 - Salem, UT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 22 | 28 | 34 | 42 | 49 | 56 | 56 | 47 | 36 | 26 | 19 | 36 |
| Avg Max Temp (°F) | 37 | 43 | 52 | 60 | 70 | 81 | 88 | 87 | 77 | 63 | 46 | 37 | 62 |
| Avg Precip (In.) | 1.94 | 1.75 | 1.81 | 1.91 | 1.93 | .86 | .81 | .85 | 1.16 | 1.71 | 1.66 | 1.5 | 17.9 |