Santiago has a cool semi-arid climate ("BSk" according to the Köppen climate classification), with Mediterranean ("Csb") patterns: warm dry summers (October to March) with temperatures reaching up to on the hottest days; winters (April to September) are cool and humid, with cool to cold mornings; typical daily maximum temperatures of , and low temperatures near . In climate station of Quinta Normal (near downtown) the precipitation average is 341.8 mm, and in climate station of Tobalaba (in higher grounds near the Andes mountains) the precipitation average is 367.8 mm.