La Selva Beach, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 9 °C (low) to 16.6 °C (high). Annual precipitation averages 654.8 Millimeters. La Selva Beach is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6 °C | 15.3 °C | 131.83 mm |
| February | 6.6 °C | 15.5 °C | 133.86 mm |
| March | 7 °C | 16.1 °C | 88.14 mm |
| April | 7.6 °C | 15.6 °C | 46.23 mm |
| May | 9.4 °C | 16.1 °C | 17.53 mm |
| June | 10.8 °C | 16.7 °C | 5.33 mm |
| July | 12.2 °C | 16.6 °C | 1.02 mm |
| August | 12.5 °C | 17.8 °C | 2.29 mm |
| September | 11.8 °C | 18.5 °C | 2.54 mm |
| October | 10.1 °C | 18.6 °C | 30.48 mm |
| November | 7.7 °C | 17.6 °C | 63.25 mm |
| December | 5.8 °C | 15.2 °C | 132.33 mm |
| Annual | 9 °C | 16.6 °C | 654.83 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : -1.1°C to 1.7°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |