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Sao Paulo in January: Weather, Average temperature and Climate

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

Weather in Sao Paulo in January 2025

OK Weather
Warm
🌧️
Rainy
If you plan to visit Sao Paulo in January, the weather is typically alright, with an average high temperature of +27°C during the day and approximately 1 sunny days. Expect some rainy, though, as there are typically 21 rainy days in the month and around 265 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

☀️
+27°C
Avg. max. temperature
+12°C
Min.
+35°C
Max.
265 mm
Total precipitation
78%
Avg. humidity
2 m/s
Avg. wind
1 ☀️
Sunny Days
1 ⛅️
Cloudy
21 🌦
Rainy
Our opinion: Sao Paulo has OK weather in January.

Average temperature in Sao Paulo in January

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

Going from a maximum of +31°C during the day to a minimum of +15°C during the night, the temperature in January averages around +27°C.

The average maximum temperature goes up 6% by the end of the month, compared with the beginning of the month, from +28°C to +29°C.

Is Sao Paulo warm or cold in January?

Sao Paulo is typically warm in January.

Maximum temperatures go up compared to the previous month from +27°C to +27°C. The minimum temperature also goes up from +19°C to +20°C.

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

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

Climate in Sao Paulo in January

Sao Paulo weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
+27°C+27°C+28°C
Min. temperature
+13°C+12°C+13°C
Max. temperature
+35°C+35°C+35°C
Rainfall
216 mm265 mm228 mm
Wind
2 m/s2 m/s2 m/s
Humidity
77%78%77%
Air pressure
1013 HPa1013 HPa1014 HPa
Sunny days
111
Cloudy days
211
Rainy days
212118
Snowy days
000

January weather is still as ok as in December. The temperature levels stay the same in the area of +27°C for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 216 mm to 265 mm. Humidity rises from 77% to 78%. The average wind speed doesn’t change much during January, staying around 2 m/s. The amount of sunny days stay about the same, averaging 1 sunny days during the month.

February brings much the same weather, it remains ok.

Wind

Wind speed in Sao Paulo in January 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 January, going from 2 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in Sao Paulo based on historical data.
Last Year
Historical Data
Typically, there is a 90% chance of rain on an average day in January, with total rainfall of approximately 342 mm. The maximum amount of rainfall per day is around 42 mm, which is moderate rain. January is a pretty wet month with over 28 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
January is one of the rainiest months in Sao Paulo, here is a comparison with other months, 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 January in Sao Paulo?

This is the weather in Sao Paulo in January 2023:
1 January
☀️
+28°C
2 January
☀️
+29°C
3 January
☁️
+27°C
4 January
☀️
+25°C
5 January
🌧️
+18°C
6 January
🌧️
+18°C
7 January
🌧️
+18°C
8 January
☁️
+22°C
9 January
🌧️
+22°C
10 January
🌧️
+25°C
11 January
🌧️
+26°C
12 January
☀️
+27°C
13 January
🌧️
+28°C
14 January
☁️
+28°C
15 January
☀️
+31°C
16 January
🌧️
+31°C
17 January
☀️
+30°C
18 January
🌧️
+30°C
19 January
☁️
+30°C
20 January
🌧️
+24°C
21 January
🌧️
+28°C
22 January
☀️
+29°C
23 January
☀️
+27°C
24 January
🌧️
+29°C
25 January
☁️
+28°C
26 January
☀️
+29°C
27 January
☀️
+28°C
28 January
☀️
+29°C
29 January
🌧️
+29°C
30 January
🌧️
+28°C
31 January
🌧️
+29°C
In January 2023 Sao Paulo had 11 sunny days, 5 cloudy days, and 15 rainy days. The average maximum temperature was +27°C, with an absolute maximum of +31°C and a minimum of +18°C. The average humidity was 80%, with a maximum of 96% and a minimum of 38%. The average wind speed was 3 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in January?

Climate Change over Years

This is how Sao Paulo climate have been changing during last 43 years period.

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

The average temperature was the lowest in 1979 (+23°C) and the highest in 2001 (+27°C). 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 January:

Is January a good time to visit Sao Paulo?

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

Can you sunbathe in Sao Paulo in January?

January 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 January?

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

Is it sunny in Sao Paulo in January?

Usually, it’s not very sunny in Sao Paulo in January, 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.