Cloverdale, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 7.3 °C (low) to 23.6 °C (high). Annual precipitation averages 1111.8 Millimeters. Cloverdale is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.2 °C | 14.4 °C | 218.19 mm |
| February | 3.9 °C | 16.3 °C | 211.07 mm |
| March | 5.1 °C | 18.6 °C | 159 mm |
| April | 6.3 °C | 22 °C | 76.96 mm |
| May | 8.5 °C | 26.2 °C | 41.15 mm |
| June | 10.8 °C | 30.3 °C | 6.35 mm |
| July | 11.9 °C | 33.1 °C | 1.02 mm |
| August | 11.6 °C | 32.8 °C | 1.52 mm |
| September | 10.3 °C | 31.2 °C | 3.56 mm |
| October | 7.9 °C | 26.1 °C | 44.96 mm |
| November | 4.8 °C | 18.6 °C | 109.73 mm |
| December | 2.9 °C | 14.1 °C | 238.25 mm |
| Annual | 7.3 °C | 23.6 °C | 1111.76 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | Frost Rare |
| 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 |