Berkeley, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 10.3 °C (low) to 19.5 °C (high). Annual precipitation averages 622.6 Millimeters. Berkeley is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.8 °C | 14.4 °C | 118.36 mm |
| February | 7.7 °C | 15.9 °C | 124.46 mm |
| March | 8.4 °C | 17.3 °C | 89.41 mm |
| April | 9.2 °C | 18.8 °C | 48.26 mm |
| May | 10.8 °C | 20.3 °C | 20.07 mm |
| June | 12.1 °C | 22.4 °C | 3.81 mm |
| July | 13.1 °C | 22.6 °C | 0.25 mm |
| August | 13.6 °C | 23.2 °C | 1.02 mm |
| September | 13.4 °C | 23.9 °C | 2.79 mm |
| October | 12.1 °C | 22.6 °C | 26.42 mm |
| November | 9.2 °C | 17.9 °C | 66.04 mm |
| December | 6.9 °C | 14.4 °C | 121.67 mm |
| Annual | 10.3 °C | 19.5 °C | 622.56 mm |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 10a : -1.1°C to 1.7°C |
| Plant Hardiness Zone - 2012 | Zone 10a : -1.1°C to 1.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |