Vacaville, CA California Yellow Pages - Vacaville, CA Online Yellow Pages

Vacaville, CA residents enjoy a warm climate during summer with temperatures that typically are in the 70s and cold temperatures during winter that typically are in the 40s. July is the warmest month with a maximum average temperature of 95.80 degrees. December is the coldest month with a minimum average temperature of 37.70 degrees. Night and day temperatures vary greatly in the summer by a difference of 37 degrees Fahrenheit. In the winter the difference in temperatures is a moderate 18 degrees Fahrenheit. The rainfall average in Vacaville is 24.55 inches. The winter months tend to receive more rain than the summer months. January is the wettest month and receives an average of 5.47 inches of rain.