| 2023 Hardiness Zone: | Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate |
| Ecoregion: | 12a - Treasure Valley |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 83619 - Fruitland, ID | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 25 | 32 | 37 | 45 | 52 | 57 | 55 | 46 | 35 | 28 | 21 | 38 |
| Avg Max Temp (°F) | 35 | 44 | 56 | 65 | 74 | 83 | 92 | 91 | 80 | 67 | 48 | 37 | 64 |
| Avg Precip (In.) | 1.37 | 1.12 | 1.09 | .83 | 1.02 | .73 | .32 | .32 | .52 | .64 | 1.33 | 1.46 | 10.76 |