Homedale, Idaho has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 38.8 °F (low) to 65 °F (high). Annual precipitation averages 8.8 Inches. Homedale is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.2 °F | 37.7 °F | 1.14 in. |
| February | 26.4 °F | 46.1 °F | 0.7 in. |
| March | 31.8 °F | 57.1 °F | 0.86 in. |
| April | 36.9 °F | 64.6 °F | 0.86 in. |
| May | 45.6 °F | 73.8 °F | 1.09 in. |
| June | 52.2 °F | 82.0 °F | 0.75 in. |
| July | 58.7 °F | 92.6 °F | 0.25 in. |
| August | 55.9 °F | 91.2 °F | 0.17 in. |
| September | 47.0 °F | 80.9 °F | 0.31 in. |
| October | 36.5 °F | 66.2 °F | 0.75 in. |
| November | 28.2 °F | 49.4 °F | 0.91 in. |
| December | 23.2 °F | 38.5 °F | 1.01 in. |
| Annual | 38.8 °F | 65 °F | 8.8 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |