| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 18.7° | 8.1° | 59.3mm | 5.8 | 84 |
| February | 18.1° | 8° | 66.3mm | 6.3 | 81 |
| March | 18.1° | 9° | 44.2mm | 5.9 | 82 |
| April | 18.6° | 10° | 18.9mm | 3.3 | 89 |
| May | 19.3° | 12° | 7.6mm | 2.1 | 94 |
| June | 20.7° | 14.2° | 0.9mm | 1.1 | 98 |
| July | 22.4° | 15.7° | 0.5mm | 0.7 | 99 |
| August | 22.7° | 15.6° | 1.3mm | 1.2 | 98 |
| September | 22.8° | 15° | 2mm | 2.1 | 96 |
| October | 22.4° | 12.8° | 11.9mm | 4.1 | 92 |
| November | 20.7° | 9.9° | 17.6mm | 4.4 | 91 |
| December | 18.2° | 7.9° | 56.3mm | 5.9 | 82 |
January in Oxnard averages a daily high of 18.7°C with nights around 8.1°C. Expect roughly 5.8 wet days totalling 59.3mm. Comfortable conditions for being outdoors all day.
February in Oxnard averages a daily high of 18.1°C with nights around 8°C. Expect roughly 6.3 wet days totalling 66.3mm. Comfortable conditions for being outdoors all day.
March in Oxnard averages a daily high of 18.1°C with nights around 9°C. Expect roughly 5.9 wet days totalling 44.2mm. Comfortable conditions for being outdoors all day.
April in Oxnard averages a daily high of 18.6°C with nights around 10°C. Expect roughly 3.3 wet days totalling 18.9mm. Comfortable conditions for being outdoors all day.
May in Oxnard averages a daily high of 19.3°C with nights around 12°C. Rain is rare — about 2.1 wet days and 7.6mm across the month. Comfortable conditions for being outdoors all day.
June in Oxnard averages a daily high of 20.7°C with nights around 14.2°C. Rain is rare — about 1.1 wet days and 0.9mm across the month. Comfortable conditions for being outdoors all day.
July in Oxnard averages a daily high of 22.4°C with nights around 15.7°C. Rain is rare — about 0.7 wet days and 0.5mm across the month. Comfortable conditions for being outdoors all day.
August in Oxnard averages a daily high of 22.7°C with nights around 15.6°C. Rain is rare — about 1.2 wet days and 1.3mm across the month. Comfortable conditions for being outdoors all day.
September in Oxnard averages a daily high of 22.8°C with nights around 15°C. Rain is rare — about 2.1 wet days and 2mm across the month. Comfortable conditions for being outdoors all day.
October in Oxnard averages a daily high of 22.4°C with nights around 12.8°C. Expect roughly 4.1 wet days totalling 11.9mm. Comfortable conditions for being outdoors all day.
November in Oxnard averages a daily high of 20.7°C with nights around 9.9°C. Expect roughly 4.4 wet days totalling 17.6mm. Comfortable conditions for being outdoors all day.
December in Oxnard averages a daily high of 18.2°C with nights around 7.9°C. Expect roughly 5.9 wet days totalling 56.3mm. Comfortable conditions for being outdoors all day.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Oxnard peaks at 99.
Based on 30 years of records, May–November scores highest for comfort in Oxnard, balancing daytime temperature against rainfall.
September is the warmest, averaging a daily high of 22.8°C.
February is the wettest, averaging 66.3mm of rain across roughly 6.3 wet days.
February is the coolest month, with average daily highs around 18.1°C.