Shoshone, Idaho has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 2 °C (low) to 16.4 °C (high). Annual precipitation averages 265.2 Millimeters. 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 | -7.6 °C | 1.6 °C | 37.59 mm |
| February | -6 °C | 4.6 °C | 24.38 mm |
| March | -2.2 °C | 10.7 °C | 27.69 mm |
| April | 0.9 °C | 15.5 °C | 21.59 mm |
| May | 5.3 °C | 20.9 °C | 27.43 mm |
| June | 9.2 °C | 26.3 °C | 14.48 mm |
| July | 13.3 °C | 32.4 °C | 3.56 mm |
| August | 12.4 °C | 31.5 °C | 8.38 mm |
| September | 7.6 °C | 25.7 °C | 11.68 mm |
| October | 1.8 °C | 17.5 °C | 19.81 mm |
| November | -3.2 °C | 8.5 °C | 25.4 mm |
| December | -7.3 °C | 1.8 °C | 43.18 mm |
| Annual | 2 °C | 16.4 °C | 265.17 mm |
| 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 : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |