Brisbane, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 10.5 °C (low) to 19.8 °C (high). Annual precipitation averages 596.7 Millimeters. Brisbane is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 7.2 °C | 14.4 °C | 113.28 mm |
| February | 8.1 °C | 15.8 °C | 121.67 mm |
| March | 8.9 °C | 16.9 °C | 85.6 mm |
| April | 9.5 °C | 19 °C | 42.67 mm |
| May | 10.9 °C | 20.4 °C | 18.8 mm |
| June | 12.1 °C | 22.6 °C | 4.83 mm |
| July | 13.1 °C | 23.7 °C | 1.52 mm |
| August | 13.6 °C | 24.1 °C | 1.52 mm |
| September | 13.5 °C | 24.9 °C | 2.03 mm |
| October | 12.2 °C | 23.1 °C | 23.37 mm |
| November | 9.4 °C | 17.7 °C | 57.15 mm |
| December | 7.2 °C | 14.6 °C | 124.21 mm |
| Annual | 10.5 °C | 19.8 °C | 596.65 mm |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 10b : 1.7°C to 4.4°C |
| Plant Hardiness Zone - 2012 | Zone 10b : 1.7°C to 4.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |