Maywood, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 55.7 °F (low) to 74.7 °F (high). Annual precipitation averages 14.3 Inches. Maywood is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 47.7 °F | 67.8 °F | 3.32 in. |
| February | 48.9 °F | 67.7 °F | 3.69 in. |
| March | 51.2 °F | 69.1 °F | 2.32 in. |
| April | 53.3 °F | 72.3 °F | 0.76 in. |
| May | 57.3 °F | 74.0 °F | 0.29 in. |
| June | 60.7 °F | 77.2 °F | 0.08 in. |
| July | 64.0 °F | 82.3 °F | 0.04 in. |
| August | 64.6 °F | 84.0 °F | 0.01 in. |
| September | 63.2 °F | 83.1 °F | 0.12 in. |
| October | 58.8 °F | 79.0 °F | 0.52 in. |
| November | 52.1 °F | 73.0 °F | 0.79 in. |
| December | 47.1 °F | 67.4 °F | 2.38 in. |
| Annual | 55.7 °F | 74.7 °F | 14.32 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 10b : 35°F to 30°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |