Santiago, due to its position in the central region, has a Mediterranean climate with well-defined seasons. Spring, between September and November is mild, which contributes to the flourishing green color of the plants and trees. Summer, between December and February, is dry and hot with temperatures that can reach over 30°C (87º F).  At night it cools down slightly, and on the coast this temperature drop can be much more extreme. 

Autumn is between March and May, and temperatures decrease gradually. In winter, mornings are cold, some as low as -2º C (28º F) and although the temperature rises at midday it rarely exceeds 15°C (60ºF).