Meiners Oaks, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 8.8 °C (low) to 24.4 °C (high). Annual precipitation averages 590.6 Millimeters. Meiners Oaks is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.7 °C | 19.3 °C | 143.26 mm |
| February | 5.1 °C | 19.3 °C | 152.4 mm |
| March | 6.2 °C | 20.4 °C | 103.89 mm |
| April | 7.3 °C | 22.1 °C | 26.67 mm |
| May | 9.4 °C | 24.1 °C | 16.51 mm |
| June | 11.6 °C | 26.6 °C | 2.79 mm |
| July | 13.7 °C | 30 °C | 0.76 mm |
| August | 13.7 °C | 31.4 °C | 0 mm |
| September | 12.7 °C | 30.7 °C | 3.05 mm |
| October | 10.1 °C | 27.1 °C | 22.35 mm |
| November | 6.7 °C | 22.9 °C | 34.54 mm |
| December | 4.3 °C | 19.1 °C | 84.33 mm |
| Annual | 8.8 °C | 24.4 °C | 590.55 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 20-30 Days |
| 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 |