| 2023 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 | |
| 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 4a: -30F to -25F | |
| Average First Frost Date: | Sep.11 - Sep. 20 | |
| Average Last Frost Date: | Jun. 1 - Jun. 10 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 18a - Rolling Sagebrush Steppe | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 82301 - Rawlins, WY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 15 | 22 | 29 | 37 | 46 | 52 | 51 | 41 | 31 | 21 | 14 | 31 |
| Avg Max Temp (°F) | 29 | 33 | 42 | 52 | 62 | 75 | 82 | 80 | 68 | 55 | 39 | 31 | 54 |
| Avg Precip (In.) | .56 | .59 | .69 | 1.13 | 1.55 | .97 | .98 | .91 | .9 | .93 | .68 | .54 | 10.42 |