Long Beach, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 55.9 °F (low) to 72.3 °F (high). Annual precipitation averages 11.7 Inches. Long Beach is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 47.9 °F | 66.6 °F | 3.01 in. |
| February | 49.1 °F | 66.3 °F | 3.21 in. |
| March | 51.4 °F | 67.2 °F | 1.53 in. |
| April | 53.1 °F | 69.9 °F | 0.55 in. |
| May | 57.2 °F | 71.6 °F | 0.22 in. |
| June | 60.5 °F | 74.1 °F | 0.09 in. |
| July | 63.6 °F | 78.3 °F | 0.03 in. |
| August | 64.4 °F | 80.0 °F | 0.01 in. |
| September | 63.2 °F | 79.6 °F | 0.09 in. |
| October | 59.1 °F | 76.1 °F | 0.36 in. |
| November | 53.4 °F | 71.2 °F | 0.71 in. |
| December | 47.8 °F | 66.3 °F | 1.92 in. |
| Annual | 55.9 °F | 72.3 °F | 11.73 in. |
| Average First Frost Date | Frost Rare |
| 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 | Csb - Warm-Summer Mediterranean Climate |