King City, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 7.3 °C (low) to 23.4 °C (high). Annual precipitation averages 313.7 Millimeters. King City is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.6 °C | 16.8 °C | 70.36 mm |
| February | 4.5 °C | 17.6 °C | 69.34 mm |
| March | 5.4 °C | 19.6 °C | 52.32 mm |
| April | 6.1 °C | 22.6 °C | 18.8 mm |
| May | 8.3 °C | 25.3 °C | 7.62 mm |
| June | 9.8 °C | 28 °C | 1.27 mm |
| July | 11.7 °C | 29.3 °C | 0 mm |
| August | 11.7 °C | 29.6 °C | 0.25 mm |
| September | 10.4 °C | 29.4 °C | 0.76 mm |
| October | 7.5 °C | 26.2 °C | 13.21 mm |
| November | 5 °C | 20.5 °C | 23.88 mm |
| December | 3.1 °C | 16.3 °C | 55.88 mm |
| Annual | 7.3 °C | 23.4 °C | 313.69 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |