Minidoka, Idaho has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 1.1 °C (low) to 16.1 °C (high). Annual precipitation averages 249.7 Millimeters. Minidoka is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.9 °C | 1.8 °C | 29.46 mm |
| February | -6.2 °C | 4.6 °C | 18.29 mm |
| March | -2.6 °C | 10.7 °C | 23.37 mm |
| April | 0 °C | 14.9 °C | 26.16 mm |
| May | 4.4 °C | 20.3 °C | 34.04 mm |
| June | 8.1 °C | 25.4 °C | 17.78 mm |
| July | 11.7 °C | 31.2 °C | 4.83 mm |
| August | 10.7 °C | 30.8 °C | 8.89 mm |
| September | 6.1 °C | 25.1 °C | 15.24 mm |
| October | 0.8 °C | 17.2 °C | 21.08 mm |
| November | -4.1 °C | 8.6 °C | 20.57 mm |
| December | -7.7 °C | 2.1 °C | 29.97 mm |
| Annual | 1.1 °C | 16.1 °C | 249.68 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |