About Castroville, CA

With a population of around 6,500, Castroville sits in California, United States. The city operates in the Pacific Time Zone.

Castroville has a semi-arid climate. Average annual temperature is 58°F, with January lows around 42°F and July highs near 71°F. The city averages 13 inches of precipitation per year. The wettest month is typically January; the driest is July.