Climate Zones and Roofing
Roof Online Staff
Also see our page Energy Codes and Roofing.
Useful Links for Climate Zones and Roofing
1. General: An updated list of climate zones for every county in the United States can be seen at this page: Section C301 Climate Zones. This is from the 2018 International Energy Conservation Code, and is about as official as you can get. On the UpCodes website.