| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate |
| Ecoregion: | 12i - Magic Valley |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 83355 - Wendell, ID | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 23 | 29 | 34 | 42 | 49 | 54 | 53 | 44 | 35 | 27 | 20 | 36 |
| Avg Max Temp (°F) | 36 | 43 | 53 | 62 | 72 | 81 | 90 | 89 | 79 | 66 | 48 | 37 | 63 |
| Avg Precip (In.) | 1.3 | 1.01 | 1.13 | .8 | 1.05 | .69 | .25 | .29 | .49 | .71 | 1.22 | 1.16 | 10.11 |