| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| 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: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 83318 - Burley, ID | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 23 | 28 | 34 | 41 | 48 | 53 | 52 | 43 | 34 | 26 | 19 | 35 |
| Avg Max Temp (°F) | 35 | 42 | 51 | 60 | 69 | 79 | 87 | 87 | 76 | 64 | 47 | 37 | 61 |
| Avg Precip (In.) | 1.18 | .83 | 1.08 | .96 | 1.29 | .89 | .35 | .4 | .64 | .68 | 1.03 | 1 | 10.31 |