Butte City, Idaho has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 27.3 °F (low) to 56.6 °F (high). Annual precipitation averages 8.7 Inches. Butte City is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.3 °F | 28.4 °F | 0.79 in. |
| February | 9.2 °F | 33.0 °F | 0.71 in. |
| March | 19.9 °F | 44.2 °F | 0.71 in. |
| April | 27.8 °F | 55.7 °F | 0.85 in. |
| May | 35.8 °F | 65.4 °F | 1.24 in. |
| June | 42.1 °F | 75.1 °F | 0.94 in. |
| July | 48.7 °F | 86.3 °F | 0.26 in. |
| August | 47.0 °F | 85.0 °F | 0.5 in. |
| September | 38.6 °F | 74.4 °F | 0.67 in. |
| October | 28.3 °F | 59.5 °F | 0.74 in. |
| November | 17.3 °F | 42.5 °F | 0.49 in. |
| December | 7.6 °F | 29.5 °F | 0.8 in. |
| Annual | 27.3 °F | 56.6 °F | 8.7 in. |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |