| 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 3b: -35°F to -30°F Zone 4b: -25°F to -20°F Zone 5a: -20°F to -15°F Zone 4a: -30°F to -25°F | |
| 1990 Hardiness Zone: | Zone 4a: -30F to -25F | |
| Average First Frost Date: | Aug. 11 - Aug. 20 | |
| Average Last Frost Date: | Jun. 21 - Jun. 30 | |
| Koppen-Geiger Climate Zone: | Dfc - Subarctic With Cool Summers And Year Around Rainfall | |
| Ecoregion: | 18a - Rolling Sagebrush Steppe | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 82513 - Dubois, WY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 10 | 11 | 17 | 22 | 31 | 38 | 43 | 42 | 34 | 27 | 16 | 11 | 25 |
| Avg Max Temp (°F) | 31 | 35 | 41 | 47 | 57 | 68 | 75 | 75 | 65 | 53 | 38 | 32 | 51 |
| Avg Precip (In.) | .82 | .55 | .54 | 1.12 | 1.59 | 1.16 | 1.05 | .88 | 1.18 | .65 | .72 | .75 | 11.01 |