What is the temperature in oxnard, ca?
<answer> 65 degrees in August and 54 degrees in December. <context> Oxnard Average Weather. 1  The highest monthly average temperature in Oxnard for August is 65 degrees. 2  The lowest monthly average temperature in Oxnard for December is 54 degrees.  The most monthly precipitation in Oxnard occurs in February with 3.4 inches.