Deering, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.2 °C (low) to 21 °C (high). Annual precipitation averages 1305.6 Millimeters. Deering is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.8 °C | 7.3 °C | 93.22 mm |
| February | 0.1 °C | 10.1 °C | 106.68 mm |
| March | 4.4 °C | 15.3 °C | 126.49 mm |
| April | 9.8 °C | 21.6 °C | 138.43 mm |
| May | 15.7 °C | 26.6 °C | 137.41 mm |
| June | 20.3 °C | 31.1 °C | 96.52 mm |
| July | 22.1 °C | 32.6 °C | 103.38 mm |
| August | 20.8 °C | 31.9 °C | 77.47 mm |
| September | 16.5 °C | 28.7 °C | 83.31 mm |
| October | 9.9 °C | 22.8 °C | 105.66 mm |
| November | 4.3 °C | 15.1 °C | 115.32 mm |
| December | 0.2 °C | 9.2 °C | 121.67 mm |
| Annual | 10.2 °C | 21 °C | 1305.56 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |