Weather Forecast and Radar for Castroville, California

Weather in Castroville, CA

Castroville, California experiences mild weather year-round. January is typically the coldest month with average temperatures ranging from a high of 59°F to a low of 37°F. February is slightly warmer with temperatures averaging between 63°F and 38°F. March brings warm weather with temperatures ranging from an average high of 68°F to a low of 42°F. April is generally mild with average temperatures between 72°F and 46°F.

In the summer, temperatures in Castroville can reach into the 90s. May is usually warm with average temperatures ranging from a high of 75°F to a low of 50°F. June is the warmest month of the year with average temperatures ranging from a high of 81°F to a low of 54°F. July is the hottest month with an average high of 86°F and a low of 57°F. August is slightly cooler with average temperatures ranging from 82°F to 58°F.

In the fall, temperatures gradually become cooler. September is usually quite warm with average temperatures ranging from a high of 79°F to a low of 54°F. October is generally mild with average temperatures between 71°F and 46°F. November is usually cool with temperatures ranging from a high of 64°F to a low of 40°F. December is the coldest month of the year with an average high of 60°F and a low of 36°F.

Fast Facts About Castroville, CA

As of 2020, the city population is 6332.

Major Cities Nearby Castroville, CA

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Castroville, California.