Buhl, Idaho has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 3.3 °C (low) to 16.8 °C (high). Annual precipitation averages 240 Millimeters. Buhl is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.6 °C | 3 °C | 27.43 mm |
| February | -3.9 °C | 6.2 °C | 18.03 mm |
| March | -0.8 °C | 11.8 °C | 24.38 mm |
| April | 1.9 °C | 15.7 °C | 24.13 mm |
| May | 6.3 °C | 20.8 °C | 32.51 mm |
| June | 10.1 °C | 25.8 °C | 17.78 mm |
| July | 14.3 °C | 31.8 °C | 5.08 mm |
| August | 13.2 °C | 30.9 °C | 6.86 mm |
| September | 8.6 °C | 25.4 °C | 11.43 mm |
| October | 2.9 °C | 17.7 °C | 21.34 mm |
| November | -2.2 °C | 9.2 °C | 20.57 mm |
| December | -5.7 °C | 3 °C | 30.48 mm |
| Annual | 3.3 °C | 16.8 °C | 240.02 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |