Bethel Island Weather Today

Bethel Island is an unincorporated community located in Contra Costa County, California, United States. It is located in the San Joaquin Delta region, near the cities of Oakley and Discovery Bay. The island is home to a variety of wildlife, including several species of birds and fish, and has long been a popular spot for fishing and boating. The climate in Bethel Island is classified as warm-summer Mediterranean, with summers that are warm and dry and winters that are mild and wet. The average high temperatures range from the mid-50s in the winter to the high-80s in the summer. The average low temperatures range from the mid-30s in the winter to the mid-60s in the summer. Rainfall is fairly consistent throughout the year, with an average of about 20 inches annually.