Santiago weather

Our guide to the weather in Santiago during October

20

Average high

5

UV Index

20mm

Monthly rainfall

46%

Humidity

We've looked at the most up-to-date weather data for Santiago, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Santiago weather in October.

What's the temperature like in Santiago during October?

The temperature reaches around 20℃ during the daytime in October, falling away to 6℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Santiago during October?

On average, in October you'll see rain on just one day in the month. In other words, you shouldn't see any of the wet stuff. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Santiago during October?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in October. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.

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Weather in Santiago

Our month-by-month guide to the weather and climate in Santiago

25.2

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January
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February
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March
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April
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May
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June
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July
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August
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September
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October
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November
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December