Palo Cedro, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 9 °C (low) to 24.5 °C (high). Annual precipitation averages 934.7 Millimeters. Palo Cedro is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.6 °C | 13.9 °C | 169.93 mm |
| February | 3.7 °C | 16.1 °C | 152.65 mm |
| March | 5.2 °C | 18.6 °C | 136.91 mm |
| April | 7.2 °C | 21.8 °C | 69.6 mm |
| May | 11 °C | 27.2 °C | 51.05 mm |
| June | 15.1 °C | 32.5 °C | 24.38 mm |
| July | 17.4 °C | 36.9 °C | 1.52 mm |
| August | 16.2 °C | 36.2 °C | 4.06 mm |
| September | 13.6 °C | 33.2 °C | 9.65 mm |
| October | 9.3 °C | 26.3 °C | 44.2 mm |
| November | 4.7 °C | 18.2 °C | 97.03 mm |
| December | 2.4 °C | 13.3 °C | 173.74 mm |
| Annual | 9 °C | 24.5 °C | 934.72 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |