King City, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.4 °C (low) to 16.8 °C (high). Annual precipitation averages 1005.8 Millimeters. King City 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 | -9.3 °C | 1.2 °C | 24.38 mm |
| February | -6.8 °C | 4.1 °C | 34.54 mm |
| March | -1.3 °C | 10.9 °C | 61.21 mm |
| April | 4.6 °C | 17.1 °C | 94.74 mm |
| May | 11.1 °C | 22.7 °C | 142.75 mm |
| June | 16.5 °C | 27.8 °C | 141.99 mm |
| July | 19.1 °C | 30.2 °C | 125.98 mm |
| August | 17.9 °C | 29.4 °C | 108.2 mm |
| September | 12.8 °C | 25.4 °C | 102.11 mm |
| October | 6.1 °C | 18.6 °C | 80.26 mm |
| November | -0.3 °C | 10.8 °C | 50.8 mm |
| December | -5.9 °C | 3.6 °C | 38.86 mm |
| Annual | 5.4 °C | 16.8 °C | 1005.82 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 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 |