Oceanic climate
Artvin, unlike most of the coastal Black Sea Region of Turkey, has a Warm-summer Mediterranean climate (Csb) under the Köppen classification, bordering very closely on an Oceanic climate (Cfb), with the wettest winter month, December, having nearly 3 times the amount of precipitation as the driest summer month, August, which is the prime classifier for a dry-summer climate in the Köppen system. It has a warm summer oceanic climate (Dob) according to the Trewartha classification system.