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Sao Paulo Weather in January
January in Sao Paulo brings high temperatures, with highs of 28°C (82°F) and nights dropping to 19°C (66°F). It's the rainiest month of the year, so come prepared with waterproof gear.
Rainfall in Sao Paulo in January
As part of the rainy season, Sao Paulo sees around 25 days of rain in January, with an average of 251 mm (9.9 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Sao Paulo in January
Daytime highs in Sao Paulo in January reach 28°C (82°F), with nights around 19°C (66°F). This kind of day-to-night contrast is typical for this time of year. Nights cool down to 19°C (66°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Sao Paulo in January
The month brings about 170 hours of sunlight, offering a comfortable mix of sun and rainy moments.January in Sao Paulo has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Sao Paulo Temperature in January
Min Temperature
19°C (66°F)
Max Temperature
28°C (82°F)
Chance of Rain
83%
Precipitation
251 mm (9.9 in)
Rainy days
25 days
Humidity
80%
Sunshine
170 hours
Percentage Sunshine
Sao Paulo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sao Paulo - and find the best time to visit.
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Sao Paulo typically stay consistent throughout January, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows around 20°C (68°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather records for Sao Paulo in January
Browse day-by-day weather records for Sao Paulo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sao Paulo historical weather extremes in January
Based on 49 years of weather observations in Sao Paulo between 1976 and 2025, these are the recorded extremes.
- The hottest January day on record in Sao Paulo reached 35°C (95°F) (January 25, 2006).
- Sao Paulo experienced its chilliest January day on January 27, 2012, reaching only 17°C (63°F).
- Nighttime temperatures dropped to 13°C (55°F) on January 2, 1980, marking the coldest January night on record.
Best Places in Brazil in January
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in January →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Sao Paulo in January
Warm weather calls for comfortable, breathable clothing in January. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Sao Paulo in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Sao Paulo 3-Day Forecast
More climate data for Sao Paulo
Temperature Rainfall Sunshine Humidity
See the full Sao Paulo climate overview or explore weather in Brazil.
Popular in January
Where to go in January - average daytime high across popular destinations.
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