| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Sep.1 - Sep. 10 |
| Average Last Frost Date: | Jun. 21 - Jun. 30 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 12e - Upper Snake River Plain |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 83201 - Pocatello, ID | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 19 | 25 | 31 | 38 | 45 | 50 | 49 | 41 | 32 | 24 | 15 | 32 |
| Avg Max Temp (°F) | 32 | 38 | 47 | 56 | 65 | 76 | 85 | 84 | 74 | 60 | 42 | 32 | 58 |
| Avg Precip (In.) | 1.11 | 1.01 | 1.3 | 1.16 | 1.57 | .96 | .73 | .7 | .89 | .98 | 1.09 | 1.03 | 12.52 |