| 2023 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 5b: -15°F to -10°F Zone 4b: -25°F to -20°F Zone 5a: -20°F to -15°F Zone 4a: -30°F to -25°F |
| 2012 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 5b: -15°F to -10°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 3b: -35F to -30F |
| Average First Frost Date: | Aug. 1 - Aug. 10 |
| Average Last Frost Date: | Jun. 11 - Jun. 20 |
| Koppen-Geiger Climate Zone: | Dfc - Subarctic With Cool Summers And Year Around Rainfall |
| Ecoregion: | 18c - Wet Valleys |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 83113 - Big Piney, WY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | -5 | 0 | 12 | 21 | 30 | 37 | 41 | 38 | 29 | 19 | 8 | -3 | 19 |
| Avg Max Temp (°F) | 25 | 30 | 40 | 51 | 61 | 72 | 79 | 78 | 68 | 57 | 38 | 28 | 52 |
| Avg Precip (In.) | .49 | .37 | .6 | .54 | 1.06 | .74 | .88 | .82 | .85 | .62 | .42 | .36 | 7.75 |