Shoshone, Idaho has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 35.6 °F (low) to 61.6 °F (high). Annual precipitation averages 10.4 Inches. Shoshone is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.4 °F | 34.9 °F | 1.48 in. |
| February | 21.2 °F | 40.2 °F | 0.96 in. |
| March | 28.1 °F | 51.2 °F | 1.09 in. |
| April | 33.6 °F | 59.9 °F | 0.85 in. |
| May | 41.5 °F | 69.6 °F | 1.08 in. |
| June | 48.5 °F | 79.4 °F | 0.57 in. |
| July | 56.0 °F | 90.4 °F | 0.14 in. |
| August | 54.3 °F | 88.7 °F | 0.33 in. |
| September | 45.6 °F | 78.3 °F | 0.46 in. |
| October | 35.3 °F | 63.5 °F | 0.78 in. |
| November | 26.2 °F | 47.3 °F | 1.0 in. |
| December | 18.9 °F | 35.2 °F | 1.7 in. |
| Annual | 35.6 °F | 61.6 °F | 10.44 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |