The Köppen climate classification system uses mean monthly and annual values of temperature and precipitation to classify climates. (slideplayer.com)
14 Köppen Climate Classification System Most commonly used system Uses mean monthly and annual values of temperature and precipitation Five Principal Groups Humid Tropical Humid Mid-Latitude Dry Highland Polar (slideplayer.com)
Rosarito Beach has a semi-arid climate with Mediterranean - like precipitation patterns (Köppen climate classification BSh / BSk). (en.wikipedia.org)