Chino Hills, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 52.4 °F (low) to 77.3 °F (high). Annual precipitation averages 16.7 Inches. Chino Hills is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 44.5 °F | 67.5 °F | 3.6 in. |
| February | 45.1 °F | 67.9 °F | 4.31 in. |
| March | 47.1 °F | 70.8 °F | 2.7 in. |
| April | 49.4 °F | 73.2 °F | 0.83 in. |
| May | 53.6 °F | 76.7 °F | 0.38 in. |
| June | 57.2 °F | 82.1 °F | 0.11 in. |
| July | 61.5 °F | 88.6 °F | 0.07 in. |
| August | 62.3 °F | 90.6 °F | 0.01 in. |
| September | 60.7 °F | 88.1 °F | 0.14 in. |
| October | 55.4 °F | 81.1 °F | 0.84 in. |
| November | 48.5 °F | 74.0 °F | 1.0 in. |
| December | 43.9 °F | 66.7 °F | 2.73 in. |
| Annual | 52.4 °F | 77.3 °F | 16.72 in. |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 10a : 30°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 10a : 30°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |