| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5a: -20°F to -15°F Zone 3b: -35°F to -30°F Zone 4a: -30°F to -25°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 3b: -35°F to -30°F Zone 3a: -40°F to -35°F Zone 4a: -30°F to -25°F Zone 4b: -25°F to -20°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 3a: -40F to -35F | |
| Average First Frost Date: | July 11 - July 20 | |
| Average Last Frost Date: | Frost Year Round | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 17g - Mid-elevation Sedimentary Mountains | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 83001 - Jackson, WY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 5 | 8 | 17 | 24 | 31 | 37 | 41 | 40 | 33 | 24 | 14 | 5 | 23 |
| Avg Max Temp (°F) | 28 | 33 | 42 | 51 | 61 | 71 | 79 | 79 | 69 | 56 | 37 | 28 | 53 |
| Avg Precip (In.) | 2.13 | 1.6 | 2.1 | 2.33 | 2.77 | 1.75 | 1.47 | 1.47 | 1.66 | 1.93 | 2.83 | 2.67 | 24.71 |