| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 6b: -5°F to 0°F Zone 4b: -25°F to -20°F Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F | |
| Average First Frost Date: | Sep.11 - Sep. 20 | |
| Average Last Frost Date: | Jun. 11 - Jun. 20 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 19g - Mountain Valleys | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 84647 - Mount Pleasant, UT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 13 | 18 | 25 | 30 | 38 | 45 | 51 | 51 | 42 | 33 | 23 | 15 | 32 |
| Avg Max Temp (°F) | 36 | 41 | 50 | 58 | 68 | 79 | 86 | 85 | 76 | 64 | 47 | 38 | 61 |
| Avg Precip (In.) | 1.15 | 1.24 | 1.43 | 1.21 | 1.3 | .78 | 1 | .84 | 1.11 | 1.28 | 1.17 | .9 | 13.39 |