Pescadero, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 8.3 °C (low) to 17.3 °C (high). Annual precipitation averages 655.3 Millimeters. Pescadero is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.4 °C | 15.3 °C | 135.13 mm |
| February | 5.6 °C | 15.6 °C | 122.43 mm |
| March | 6.6 °C | 16.7 °C | 96.01 mm |
| April | 7.2 °C | 16.2 °C | 46.74 mm |
| May | 8.9 °C | 17.2 °C | 20.32 mm |
| June | 10.7 °C | 17.1 °C | 10.67 mm |
| July | 11.9 °C | 19.1 °C | 1.52 mm |
| August | 12 °C | 19.4 °C | 3.81 mm |
| September | 11.4 °C | 19.3 °C | 3.81 mm |
| October | 8.8 °C | 19.5 °C | 23.37 mm |
| November | 6.5 °C | 17.5 °C | 59.44 mm |
| December | 5.1 °C | 15.2 °C | 132.08 mm |
| Annual | 8.3 °C | 17.3 °C | 655.33 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°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 |