North Richmond, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 10.2 °C (low) to 18.9 °C (high). Annual precipitation averages 620.5 Millimeters. North Richmond is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.8 °C | 13.6 °C | 125.73 mm |
| February | 7.6 °C | 15.6 °C | 123.44 mm |
| March | 8.4 °C | 17.2 °C | 87.88 mm |
| April | 9.3 °C | 18.5 °C | 36.07 mm |
| May | 10.8 °C | 19.9 °C | 19.05 mm |
| June | 12.2 °C | 21.6 °C | 5.08 mm |
| July | 13.1 °C | 21.7 °C | 0 mm |
| August | 13.5 °C | 22.2 °C | 1.02 mm |
| September | 13.2 °C | 23.3 °C | 1.78 mm |
| October | 11.7 °C | 22.3 °C | 27.69 mm |
| November | 9.1 °C | 17.6 °C | 61.21 mm |
| December | 6.8 °C | 13.8 °C | 131.57 mm |
| Annual | 10.2 °C | 18.9 °C | 620.52 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 |