The Köppen Climate Classification System is the most widely used system for classifying the world's climates. Its categories are based on the annual and monthly averages of temperature and ...

The Köppen climate classification system was first published in 1918 by German climatologist Wladimir Köppen. Faced with a lack of adequate observing stations, Köppen used vegetation to approximate ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The Koppen classification system suggests ...