Santiago weather
Our guide to the weather in Santiago during October
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.
How warm is it in Santiago during October?
October is typically the hottest month in Santiago. The temperature hits about 29℃ during the day, falling away to a balmy 26℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.
Does it rain in Santiago during October?
On average, there will be 3 rainy days during the month, amounting to 87.5mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. Due to the high temperature and humidity, you might expect lots of thunderstorms, however they're actually fairly infrequent at this time of year. On average, October will see just 2 days that produce a storm.
Is it windy in Santiago during October?
You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during October. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.
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