Planning and Design
Climate Zones in USA & Canada for Building Homes
...designated A, B,andC. Zone A being humid, Zone B being dry,andzone C Marine, where the warmest months don’t exceed 72 °Fandwinter temperatures range between 27and65 °F. The reason we say ‘general’ climate zones above, is that there are even micro-climates that can change conditions in even as little space as ...