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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the BuzzLayer Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Santiago, Chile, has a Mediterranean climate with warm, dry summers and mild, wet winters, as reflected in the live forecast above. Located in the Maipo Valley between the Andes and the coastal range, the city sees over 300 sunny days a year and experiences distinct seasonal shifts in temperature and rainfall.
What is Santiago’s weather like year round?
For santiago chile weather year round, expect hot, dry summers from December to March (averaging 30°C) and cool, damp winters from June to August (averaging 14°C). Most of the 350 mm annual rain falls in winter. The Andes to the east influence local winds and create occasional thermal inversions that trap smog in colder months.
How does the weather change by month?
Tracking santiago chile weather by month reveals a steady warming from spring (September–November) through summer, then a cooling into autumn (March–May). January is the hottest month; July is the coolest. For a 10-day, 14-day or 15-day forecast, check the live forecast above. Temperatures are given in Celsius — for santiago chile weather fahrenheit, multiply by 1.8 and add 32. Conditions in Santiago province vary little within the city, though foothill neighbourhoods are slightly cooler.
Does it ever snow in Santiago?
Snowfall in the city centre is rare, occurring only during very cold winter outbreaks. The surrounding Andes receive heavy snow each year, and light flurries can dust the foothills once every few winters.
What is the humidity like in Santiago?
Humidity stays low to moderate year-round, averaging 60% in winter and dropping to 40% in summer. Dry summer air makes the heat feel less oppressive than in coastal cities.
What is the best time of year to visit Santiago?
Spring (September–November) and autumn (March–May) offer mild temperatures and fewer crowds. Summer brings intense heat, while winter is cooler and wetter but still pleasant for city exploration.
For more Canadian weather coverage, visit our Canada weather hub or compare Santiago with Calgary weather.