Malcolm, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.5 °C (low) to 16.9 °C (high). Annual precipitation averages 759 Millimeters. Malcolm is located in USDA Plant Hardiness Zone 5b. 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 | -9.8 °C | 1.2 °C | 18.8 mm |
| February | -7.5 °C | 3.9 °C | 23.37 mm |
| March | -2.1 °C | 10.8 °C | 39.88 mm |
| April | 4 °C | 17.1 °C | 71.12 mm |
| May | 10.3 °C | 22.8 °C | 126.49 mm |
| June | 16.2 °C | 28.4 °C | 113.79 mm |
| July | 18.6 °C | 30.6 °C | 87.38 mm |
| August | 17.2 °C | 29.7 °C | 92.46 mm |
| September | 12.1 °C | 25.9 °C | 69.09 mm |
| October | 5 °C | 18.9 °C | 54.1 mm |
| November | -2.1 °C | 10.3 °C | 36.32 mm |
| December | -7.5 °C | 3.3 °C | 26.16 mm |
| Annual | 4.5 °C | 16.9 °C | 758.96 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |