| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F | |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F | |
| 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 82072 - Laramie, WY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 13 | 18 | 25 | 33 | 41 | 47 | 45 | 37 | 28 | 18 | 12 | 27 |
| Avg Max Temp (°F) | 32 | 35 | 41 | 48 | 59 | 70 | 77 | 75 | 67 | 55 | 40 | 32 | 52 |
| Avg Precip (In.) | 1.71 | 1.16 | 2.35 | 2.7 | 3.01 | 2.05 | 1.73 | 1.42 | 1.51 | 1.35 | 1.78 | 1.56 | 22.34 |