Kearney, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.1 °C (low) to 18 °C (high). Annual precipitation averages 1048 Millimeters. Kearney is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.7 °C | 3.1 °C | 29.46 mm |
| February | -5.5 °C | 6.2 °C | 41.15 mm |
| March | -0.2 °C | 12.4 °C | 62.23 mm |
| April | 5.5 °C | 18.1 °C | 101.09 mm |
| May | 11.7 °C | 23.3 °C | 142.24 mm |
| June | 17.2 °C | 28.6 °C | 136.14 mm |
| July | 19.6 °C | 30.8 °C | 125.73 mm |
| August | 18.2 °C | 30.2 °C | 111.76 mm |
| September | 13.1 °C | 26 °C | 113.79 mm |
| October | 6.5 °C | 19.6 °C | 88.39 mm |
| November | 0.1 °C | 11.8 °C | 53.59 mm |
| December | -5.1 °C | 5.4 °C | 42.42 mm |
| Annual | 6.1 °C | 18 °C | 1047.99 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |