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Santiago in October: Weather, Average temperature and Climate

Take a look at past year’s weather for Santiago in October and see if it is worth visiting.
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October

Weather in Santiago in October 2025

Good Weather
Mild
☀️
Sunny
Are you considering a trip to Santiago in October? Well, the weather is usually on your side with an average maximum temperature of +72°F and about 13 sunny days. Just keep in mind that there may be some rain, with an average of 10 rainy days and 31 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+72°F
Avg. max. temperature
+32°F
Min.
+90°F
Max.
31 mm
Total precipitation
64%
Avg. humidity
2 m/s
Avg. wind
13 ☀️
Sunny Days
8 ⛅️
Cloudy
10 🌦
Rainy
Our opinion: Santiago has good weather in October.

Average temperature in Santiago in October

Here are the expected maximum, average and minimum temperatures in Santiago for October based on the historical data.
Last Year
Historical Data

The temperature in October is +72°F on average, with a range between a maximum of +81°F during the day and a minimum of +39°F at night.

The average maximum temperature goes up 22% by the end of the month, compared with the beginning of the month, from +66°F to +75°F.

Is Santiago warm or cold in October?

Santiago is typically mild in October.

Maximum temperatures go up compared to the previous month from +66°F to +72°F. The minimum temperature also goes up from +45°F to +50°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how October is compared to other months in Santiago:

Climate in Santiago in October

Santiago weather looks like this, on average, in October and the surrounding months.
SeptemberOctoberNovember
Avg. temperature
+66°F+72°F+77°F
Min. temperature
+28°F+32°F+37°F
Max. temperature
+90°F+90°F+93°F
Rainfall
55 mm31 mm14 mm
Wind
1 m/s2 m/s2 m/s
Humidity
70%64%57%
Air pressure
1017 HPa1015 HPa1013 HPa
Sunny days
101317
Cloudy days
885
Rainy days
12107
Snowy days
000

October weather is still as good as in September. It’s getting warmer as October arrives. The average maximum temperature goes up from +66°F to +72°F during the day. As October arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 55 mm to 31 mm. It feels drier, as humidity decreases from 70% to 64%. Winds are stronger in comparison to September, going up from 1 m/s to 2 m/s on average. The good news is there are likely to be more sunny days in October, from 10 to 13.

But maybe it is worth considering traveling in November as the weather gets better.

Wind

Wind speed in Santiago in October based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Santiago is gradually increasing during October, going from 2 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during October in Santiago based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in October stands at 19%, leading to total precipitation of around 28 mm. The maximum amount of rainfall per day is around 10 mm, which is considered light rain. On average, there are about 6 rainy days during October, so prepare to bring an umbrella.
Here’s how October is compared with other months in the amount of precipitation, total mm:
Santiago wettest month is June, where a typical day has a 27% chance of precipitation and 92 mm of rainfall per day. January, on the other hand, is the driest month with a mere 13% chance of precipitation and 4 mm of rainfall per day.

How was the weather last October in Santiago?

This is the weather in Santiago in October 2023:
1 October
🌫️
+65°F
2 October
☁️
+60°F
3 October
🌧️
+61°F
4 October
☀️
+68°F
5 October
☀️
+68°F
6 October
☁️
+64°F
7 October
☀️
+73°F
8 October
☀️
+76°F
9 October
☀️
+80°F
10 October
☁️
+68°F
11 October
☀️
+69°F
12 October
☀️
+76°F
13 October
☀️
+79°F
14 October
☀️
+77°F
15 October
☀️
+76°F
16 October
☀️
+75°F
17 October
☀️
+81°F
18 October
☀️
+71°F
19 October
☀️
+79°F
20 October
☁️
+71°F
21 October
🌫️
+67°F
22 October
☁️
+72°F
23 October
☁️
+75°F
24 October
☀️
+77°F
25 October
☀️
+78°F
26 October
☀️
+73°F
27 October
☀️
+65°F
28 October
☁️
+66°F
29 October
🌧️
+67°F
30 October
☁️
+69°F
31 October
☁️
+74°F
In October 2023 Santiago had 18 sunny days, 9 cloudy days, and 2 rainy days. The average maximum temperature was +72°F, with an absolute maximum of +81°F and a minimum of +59°F. The average humidity was 71%, with a maximum of 100% and a minimum of 36%. The average wind speed was 2 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in October?

Climate Change Over the Years

This is how Santiago climate has changed over the last 43 years.

The climate in Santiago in October has not changed that much over the last 43 years.

The average temperature was the lowest in 2007 (+70°F) and the highest in 2020 (+75°F). The driest year was 1998 with only 165 mm of rainfall, and the wettest year was 1997 with 1031 mm.

FAQ

Frequently asked questions about the weather in Santiago in October:

Is October a good time to visit Santiago?

October is a really good time to go to Santiago. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Santiago.

Can you sunbathe in Santiago in October?

October has mild temperatures in Santiago. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Santiago rainy in October?

Santiago is usually dry in October. Plan your packing around outdoor activities and exploring.

Is it sunny in Santiago in October?

The amount of sunny days in Santiago during October varies; prepare for a mix of clouds and sun.

Other cities in Chile

Check out the weather for other cities in Chile.

Monthly weather in Santiago

Source of the data

For this page, we’ve looked at the typical weather in Santiago, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.