Catalina Island Weather

There’s a reason why Catalina Island has often been said to have “the perfect climate.” What’s that mean? In this case, a year-round Mediterranean climate with warm, sunny days and cool night breezes. In the summer, the average temperature is 75 degrees F, while the mild winter average temperature is 65 degrees F. Temperatures seldom reach 80F in the summer and rarely dip below 50F in the winter. The sun shines an average of 267 days a year. Average rainfall: only 14 inches a year.