Corning, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.9 °C (low) to 17.4 °C (high). Annual precipitation averages 890.5 Millimeters. Corning is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.6 °C | 1.4 °C | 19.56 mm |
| February | -7.4 °C | 4.6 °C | 30.48 mm |
| March | -1.7 °C | 11.6 °C | 51.82 mm |
| April | 4.4 °C | 18.1 °C | 85.85 mm |
| May | 11.4 °C | 23.8 °C | 134.11 mm |
| June | 17 °C | 28.7 °C | 123.19 mm |
| July | 18.9 °C | 30.7 °C | 119.89 mm |
| August | 17.4 °C | 29.7 °C | 96.01 mm |
| September | 12.1 °C | 26.3 °C | 83.06 mm |
| October | 5.3 °C | 19.6 °C | 69.6 mm |
| November | -1.8 °C | 10.9 °C | 45.47 mm |
| December | -7.2 °C | 3.8 °C | 31.5 mm |
| Annual | 4.9 °C | 17.4 °C | 890.54 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |