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Sao Paulo in October: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Sao Paulo in October will be like? Take a look at our weather guide for Sao Paulo, based on historical data.
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October

Weather in Sao Paulo in October 2025

OK Weather
Warm
🌧️
Rainy
If you plan to visit Sao Paulo in October, the weather is typically alright, with an average high temperature of +77°F during the day and approximately 2 sunny days. Expect some rainy, though, as there are typically 20 rainy days in the month and around 134 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+77°F
Avg. max. temperature
+48°F
Min.
+99°F
Max.
134 mm
Total precipitation
77%
Avg. humidity
2 m/s
Avg. wind
2 ☀️
Sunny Days
6 ⛅️
Cloudy
20 🌦
Rainy
Our opinion: Sao Paulo has OK weather in October.

Average temperature in Sao Paulo in October

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

Going from a maximum of +91°F during the day to a minimum of +57°F during the night, the temperature in October averages around +79°F.

The average maximum temperature goes up 26% by the end of the month, compared with the beginning of the month, from +72°F to +81°F.

Is Sao Paulo warm or cold in October?

Sao Paulo is typically warm in October.

Maximum temperatures go up compared to the previous month from +75°F to +77°F. The minimum temperature also goes up from +59°F to +61°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

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

Climate in Sao Paulo in October

Sao Paulo weather looks like this, on average, in October and the surrounding months.
SeptemberOctoberNovember
Avg. temperature
+75°F+77°F+79°F
Min. temperature
+43°F+48°F+50°F
Max. temperature
+97°F+99°F+97°F
Rainfall
102 mm134 mm168 mm
Wind
2 m/s2 m/s2 m/s
Humidity
75%77%77%
Air pressure
1018 HPa1016 HPa1014 HPa
Sunny days
622
Cloudy days
764
Rainy days
152020
Snowy days
000

October weather is still as ok as in September. It’s getting warmer as October arrives. The average maximum temperature goes up from +75°F to +77°F during the day. Prepare for more rain. Average rainfall goes from 102 mm to 134 mm. Humidity rises from 75% to 77%. The average wind speed doesn’t change much during October, staying around 2 m/s. The days becoming less sunny, going from 6 sunny days in September to 2 in October.

November brings much the same weather, it remains ok.

Wind

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

The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

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

Rain

Amount of rainfall in mm during October in Sao Paulo based on historical data.
Last Year
Historical Data
Typically, there is a 61% chance of rain on an average day in October, with total rainfall of approximately 377 mm. The maximum amount of rainfall per day is around 86 mm, which is considered heavy rain. October is a pretty wet month with over 19 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how October is compared with other months in the amount of precipitation, total mm:
Sao Paulo wettest month is January, where a typical day has a 68% chance of precipitation and 265 mm of rainfall per day. August, on the other hand, is the driest month with a mere 35% chance of precipitation and 50 mm of rainfall per day.

How was the weather last October in Sao Paulo?

This is the weather in Sao Paulo in October 2023:
1 October
🌧️
+72°F
2 October
🌫️
+71°F
3 October
🌫️
+83°F
4 October
🌫️
+85°F
5 October
☀️
+85°F
6 October
☀️
+89°F
7 October
☀️
+88°F
8 October
🌧️
+79°F
9 October
☁️
+75°F
10 October
☁️
+73°F
11 October
☀️
+89°F
12 October
🌫️
+79°F
13 October
🌧️
+68°F
14 October
🌧️
+64°F
15 October
☁️
+79°F
16 October
☁️
+89°F
17 October
☀️
+78°F
18 October
☁️
+71°F
19 October
☁️
+65°F
20 October
☁️
+69°F
21 October
☁️
+70°F
22 October
☁️
+78°F
23 October
☀️
+87°F
24 October
☀️
+91°F
25 October
🌧️
+78°F
26 October
🌫️
+71°F
27 October
🌧️
+80°F
28 October
🌧️
+82°F
29 October
🌧️
+83°F
30 October
☁️
+84°F
31 October
🌧️
+80°F
In October 2023 Sao Paulo had 7 sunny days, 10 cloudy days, and 9 rainy days. The average maximum temperature was +79°F, with an absolute maximum of +91°F and a minimum of +64°F. The average humidity was 84%, with a maximum of 100% and a minimum of 42%. The average wind speed was 3 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in October?

Climate Change Over the Years

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

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

The average temperature was the lowest in 1979 (+74°F) and the highest in 2001 (+80°F). The driest year was 2007 with only 1215 mm of rainfall, and the wettest year was 2022 with 2680 mm.

FAQ

Frequently asked questions about the weather in Sao Paulo in October:

Is October a good time to visit Sao Paulo?

It’s always a good time to visit Sao Paulo, but the weather is changeable in October, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Sao Paulo in October?

October is warm in Sao Paulo. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Sao Paulo rainy in October?

Sao Paulo is often rainy in October. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Sao Paulo in October?

Usually, it’s not very sunny in Sao Paulo in October, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Brazil

Check out the weather for other cities in Brazil.

Monthly weather in Sao Paulo

Source of the data

For this page, we’ve looked at the typical weather in Sao Paulo, 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.