| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°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 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: | BWk - Cold Desert Climate |
| Ecoregion: | 18g - Bighorn Salt Desert Shrub Basin |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 82431 - Lovell, WY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 5 | 12 | 22 | 31 | 41 | 50 | 54 | 52 | 41 | 30 | 18 | 8 | 30 |
| Avg Max Temp (°F) | 29 | 38 | 49 | 59 | 69 | 79 | 87 | 86 | 74 | 61 | 43 | 32 | 59 |
| Avg Precip (In.) | .24 | .16 | .33 | .59 | 1.24 | 1.01 | .76 | .59 | .76 | .65 | .24 | .23 | 6.82 |