| 2023 Hardiness Zone: | Zone 4a: -30°F to -25°F | |
| 2012 Hardiness Zone: | Zone 4b: -25°F to -20°F | |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F | |
| Average First Frost Date: | Sep.1 - Sep. 10 | |
| Average Last Frost Date: | Jun. 11 - Jun. 20 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 18f - Laramie Basin | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 82071 - Laramie, WY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 13 | 19 | 25 | 35 | 43 | 49 | 47 | 38 | 29 | 18 | 12 | 28 |
| Avg Max Temp (°F) | 33 | 36 | 42 | 50 | 61 | 72 | 79 | 77 | 68 | 57 | 42 | 34 | 54 |
| Avg Precip (In.) | .7 | .51 | .85 | 1.14 | 1.73 | 1.36 | 1.59 | 1.27 | 1.05 | .85 | .72 | .5 | 12.26 |