Kenwood, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 7.4 °C (low) to 21.9 °C (high). Annual precipitation averages 990.1 Millimeters. Kenwood is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.7 °C | 14.4 °C | 189.74 mm |
| February | 4.3 °C | 16.1 °C | 203.96 mm |
| March | 5.3 °C | 17.9 °C | 147.83 mm |
| April | 6.3 °C | 20.2 °C | 59.44 mm |
| May | 8.3 °C | 23.3 °C | 37.59 mm |
| June | 10.3 °C | 27 °C | 8.38 mm |
| July | 11.1 °C | 28.6 °C | 0.51 mm |
| August | 11.2 °C | 28.6 °C | 2.03 mm |
| September | 10.5 °C | 28.2 °C | 4.57 mm |
| October | 8.8 °C | 25.2 °C | 44.45 mm |
| November | 5.6 °C | 18.6 °C | 100.58 mm |
| December | 3.6 °C | 14.2 °C | 191.01 mm |
| Annual | 7.4 °C | 21.9 °C | 990.09 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |