| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F | |
| Average First Frost Date: | Sep. 21 - Sep. 30 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dsa - Humid Continental Climate - Dry Warm Summer | |
| Ecoregion: | 13i - Malad and Cache Valleys | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 84319 - Hyrum, UT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 13 | 17 | 25 | 32 | 40 | 47 | 53 | 52 | 42 | 32 | 23 | 14 | 32 |
| Avg Max Temp (°F) | 33 | 39 | 48 | 57 | 67 | 78 | 87 | 86 | 76 | 63 | 45 | 34 | 60 |
| Avg Precip (In.) | 1.88 | 1.74 | 2.02 | 2.07 | 2.24 | 1.29 | .89 | .96 | 1.47 | 1.95 | 1.7 | 1.62 | 19.84 |