Zayante, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 7.5 °C (low) to 22.5 °C (high). Annual precipitation averages 1221.3 Millimeters. Zayante is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.1 °C | 15.3 °C | 261.37 mm |
| February | 4.7 °C | 16.4 °C | 265.18 mm |
| March | 5.4 °C | 18.4 °C | 160.53 mm |
| April | 6.2 °C | 21.8 °C | 67.82 mm |
| May | 8.1 °C | 23.9 °C | 28.7 mm |
| June | 9.6 °C | 27.2 °C | 7.62 mm |
| July | 11.4 °C | 29.7 °C | 0.51 mm |
| August | 11.3 °C | 29.9 °C | 1.78 mm |
| September | 10.5 °C | 28.8 °C | 4.83 mm |
| October | 8.4 °C | 25.4 °C | 52.58 mm |
| November | 6 °C | 18.7 °C | 107.95 mm |
| December | 4.1 °C | 14.8 °C | 262.38 mm |
| Annual | 7.5 °C | 22.5 °C | 1221.25 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°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 |