West Puente Valley, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 54.8 °F (low) to 79.2 °F (high). Annual precipitation averages 15.3 Inches. West Puente Valley is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 47.0 °F | 69.4 °F | 3.55 in. |
| February | 47.8 °F | 69.6 °F | 4.02 in. |
| March | 49.9 °F | 71.8 °F | 2.36 in. |
| April | 52.1 °F | 76.8 °F | 0.78 in. |
| May | 56.4 °F | 78.7 °F | 0.36 in. |
| June | 59.9 °F | 84.0 °F | 0.11 in. |
| July | 63.4 °F | 90.4 °F | 0.05 in. |
| August | 64.0 °F | 92.4 °F | 0.01 in. |
| September | 62.2 °F | 90.1 °F | 0.12 in. |
| October | 57.8 °F | 83.9 °F | 0.59 in. |
| November | 51.2 °F | 75.1 °F | 0.84 in. |
| December | 46.2 °F | 68.7 °F | 2.55 in. |
| Annual | 54.8 °F | 79.2 °F | 15.34 in. |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 10b : 35°F to 30°F |
| Plant Hardiness Zone - 2012 | Zone 10a : 30°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |