Cedar Ridge, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 7.4 °C (low) to 20 °C (high). Annual precipitation averages 1067.8 Millimeters. Cedar Ridge is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.5 °C | 11.3 °C | 192.02 mm |
| February | 1.5 °C | 11.7 °C | 172.72 mm |
| March | 2.6 °C | 13.9 °C | 154.69 mm |
| April | 4.1 °C | 16.2 °C | 94.49 mm |
| May | 7.8 °C | 21.3 °C | 58.93 mm |
| June | 12.2 °C | 26.9 °C | 18.8 mm |
| July | 16.4 °C | 31.5 °C | 2.29 mm |
| August | 16.3 °C | 31.3 °C | 2.54 mm |
| September | 13.6 °C | 28 °C | 9.91 mm |
| October | 8.5 °C | 21.8 °C | 61.98 mm |
| November | 3.8 °C | 15 °C | 109.98 mm |
| December | 1 °C | 10.6 °C | 189.48 mm |
| Annual | 7.4 °C | 20 °C | 1067.83 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |