Oxnard, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 52.2 °F (low) to 68.9 °F (high). Annual precipitation averages 15.2 Inches. Oxnard is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 46.7 °F | 65.8 °F | 3.6 in. |
| February | 46.7 °F | 65.3 °F | 3.87 in. |
| March | 47.8 °F | 65.9 °F | 2.54 in. |
| April | 49.0 °F | 65.9 °F | 0.76 in. |
| May | 52.6 °F | 67.4 °F | 0.3 in. |
| June | 56.1 °F | 69.3 °F | 0.06 in. |
| July | 59.1 °F | 72.3 °F | 0.03 in. |
| August | 59.3 °F | 72.9 °F | 0.0 in. |
| September | 58.0 °F | 73.6 °F | 0.08 in. |
| October | 54.8 °F | 72.7 °F | 0.52 in. |
| November | 49.9 °F | 70.1 °F | 1.14 in. |
| December | 46.3 °F | 65.5 °F | 2.33 in. |
| Annual | 52.2 °F | 68.9 °F | 15.23 in. |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 10b : 35°F to 30°F |
| Plant Hardiness Zone - 2012 | Zone 10a : 30°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |