Malad City, Idaho has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.5 °C (low) to 15.9 °C (high). Annual precipitation averages 411.2 Millimeters. Malad City is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.7 °C | 0.6 °C | 48.51 mm |
| February | -7.8 °C | 3.4 °C | 39.12 mm |
| March | -3.1 °C | 9.6 °C | 32.26 mm |
| April | 0.1 °C | 14.9 °C | 34.54 mm |
| May | 4.2 °C | 20.1 °C | 56.13 mm |
| June | 7.6 °C | 26.1 °C | 32 mm |
| July | 11.4 °C | 32.1 °C | 21.08 mm |
| August | 10.6 °C | 31.3 °C | 17.02 mm |
| September | 5.8 °C | 25.7 °C | 29.97 mm |
| October | 0.3 °C | 17.2 °C | 31.5 mm |
| November | -4.7 °C | 8.2 °C | 27.69 mm |
| December | -8.9 °C | 1.3 °C | 41.4 mm |
| Annual | 0.5 °C | 15.9 °C | 411.22 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |