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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Focus Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Check the live forecast above for Santiago’s current conditions. The city enjoys a classic Mediterranean climate with warm, dry summers and mild, wet winters, making it a year-round destination with distinct seasonal variations.
What is Santiago’s weather like by month?
Santiago’s climate shifts between a dry summer (December–March) and a cooler, wetter winter (June–August). For a similar climate in Australia, see our Perth weather page.
- Summer (December–February): hot, sunny days, average highs around 29°C, lows near 15°C. Very little rain.
- Autumn (March–May): mild, gradually increasing rain and temperatures falling to the mid‑20s.
- Winter (June–August): cool, cloudy, frequent rain. Daytime highs near 15°C, overnight lows around 3°C. Frost possible.
- Spring (September–November): warming up, with occasional rain and increasing sunshine.
Can I get a longer Santiago weather forecast?
The live forecast above gives current conditions and a short-term outlook. For planning ahead, many travellers check a santiago weather forecast 14 days or even a santiago weather forecast 30 days. Longer-range forecasts become less reliable, but they indicate general trends. For a detailed santiago weather forecast 14 days, refer to the national meteorological service. While checking Santiago’s weather, you can also visit our Australia weather hub for local information.
What is the weather like in Santiago in December?
December is mid-summer in Santiago, with long sunny days and average highs around 29°C. Rain is very rare, so pack light clothing and sunscreen. It’s a popular time for outdoor activities and exploring the city.
Is Santiago weather humid?
No, Santiago has a dry Mediterranean climate. Humidity is low year-round, especially in summer when it often drops below 30%. This makes the heat feel more tolerable than in coastal cities.
Does it snow in Santiago?
Snow in the city itself is very rare, occurring only once every few years. The surrounding Andes Mountains receive heavy snow, providing excellent skiing. For snow in the city, a weather santiago chile 15 day forecast would show any unusual cold spells.