On the territory of Shida Kartli an average annual precipitation equals to 824 mm. Maximum of a precipitation (1,045 mm) falls to the very North of the region, on the Caucasus Mountains, while minimum (536 mm) – falls to the East of Kaspi Municipality, along Mtkvari valley. By abundance of precipitation, stands out northern part of the region where its amount varies from 800 mm up to 1,045 mm.