A- A+ facebook twitter email print What Are The 5 Climate Zones In California? November 27, 2021, 4:08 am ipsinternational.org The coastal influence of the Northern California Zone 5 is strong. Zone 6 of the CA Coastal Zone is the Northern Coastal Zone. The 7th CA Zone is the Northern Mild Summer, and the Wet Winter. The hot central valley of California is the 8th zone.