Yorba Linda, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 11.9 °C (low) to 25.1 °C (high). Annual precipitation averages 364 Millimeters. Yorba Linda is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 7.5 °C | 20.2 °C | 83.57 mm |
| February | 7.9 °C | 20.3 °C | 94.23 mm |
| March | 9.2 °C | 21.5 °C | 56.9 mm |
| April | 10.3 °C | 24.1 °C | 18.54 mm |
| May | 12.8 °C | 24.9 °C | 7.87 mm |
| June | 14.8 °C | 27.1 °C | 2.03 mm |
| July | 16.8 °C | 30.3 °C | 1.52 mm |
| August | 17.3 °C | 31.5 °C | 0.25 mm |
| September | 16.3 °C | 30.7 °C | 3.05 mm |
| October | 13.5 °C | 27.8 °C | 13.46 mm |
| November | 9.7 °C | 23.4 °C | 21.34 mm |
| December | 7 °C | 19.9 °C | 61.21 mm |
| Annual | 11.9 °C | 25.1 °C | 363.97 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 | Csa - Hot-Summer Mediterranean Climate |