| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Sep.11 - Sep. 20 |
| Average Last Frost Date: | Jun. 1 - Jun. 10 |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate |
| Ecoregion: | 12e - Upper Snake River Plain |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 83202 - Pocatello, ID | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 20 | 26 | 32 | 39 | 46 | 51 | 50 | 41 | 33 | 24 | 16 | 33 |
| Avg Max Temp (°F) | 32 | 38 | 48 | 58 | 67 | 77 | 86 | 85 | 75 | 61 | 43 | 33 | 59 |
| Avg Precip (In.) | 1.1 | 1.01 | 1.33 | 1.15 | 1.56 | .94 | .69 | .71 | .88 | .98 | 1.09 | 1.06 | 12.52 |