São Paulo weather in January
In January, São Paulo has an average high of 27 °C80 °F and an average low of 18 °C65 °F, with about 230 mm9.0 in of precipitation. It is the 2nd warmest month of the year and the wettest.
How January compares with other months
Compared with December, January is about the same temperature and wetter by 53 mm2.1 in. Compared with February, January is about the same temperature and wetter by 55 mm2.1 in. Daylight lasts about 13.4 hours around the middle of the month. Average relative humidity is 83% and the average cloud amount 78%.
Is January a good time to visit São Paulo?
January is not among the most comfortable months by our comfort score: it is fairly wet (230 mm9.0 in) and it is humid (83%). The most comfortable months in São Paulo are April–September.
What to wear in January
For São Paulo in January, pack light summer clothes such as T-shirts, shorts or light dresses and a good rain jacket or umbrella and quick-drying shoes.
January in nearby places
| Place | High °C°F | Low °C°F | Precip. mmin |
|---|---|---|---|
| São Paulo | 2780 | 1865 | 2309.0 |
| Guarulhos | 2680 | 1865 | 2279.0 |
| Jundiaí | 2781 | 1865 | 2439.6 |
| Atibaia | 2781 | 1864 | 2399.4 |
| Santos | 2984 | 2576 | 2128.4 |
| Praia Grande | 2984 | 2576 | 2128.4 |
| Bragança Paulista | 2781 | 1864 | 2399.4 |
| Itanhaém | 3086 | 2374 | 2228.7 |
| Jacareí | 2882 | 2067 | 2279.0 |
Nearby places that are more than 1 °C1.8 °F warmer in January: Santos, Praia Grande, Itanhaém and Jacareí.
Other months in São Paulo
- January27 °C80 °F / 18 °C65 °F
- February27 °C81 °F / 18 °C65 °F
- March26 °C79 °F / 17 °C63 °F
- April25 °C77 °F / 16 °C60 °F
- May22 °C72 °F / 12 °C54 °F
- June22 °C71 °F / 11 °C52 °F
- July22 °C71 °F / 10 °C51 °F
- August24 °C75 °F / 11 °C52 °F
- September26 °C79 °F / 13 °C55 °F
- October27 °C81 °F / 15 °C58 °F
- November27 °C80 °F / 16 °C60 °F
- December27 °C81 °F / 17 °C63 °F
Frequently asked questions
How warm is São Paulo in January?
In January the average high in São Paulo is 27 °C (80 °F) and the average low is 18 °C (65 °F).
Does it rain a lot in São Paulo in January?
On average about 230 mm (9.0 in) of precipitation falls in January; it ranks 1st of the 12 months.
Is January the warmest month in São Paulo?
No. The warmest month in São Paulo is December, with an average high of 27 °C (81 °F). The coldest month is July, with an average low of 10 °C (51 °F).
How long is the day in São Paulo in January?
In the middle of January the day in São Paulo lasts about 13.4 hours from sunrise to sunset. The value is calculated from the position of the city and the sun.
How humid is São Paulo in January?
The average relative humidity in January is about 83%. Combined with warm days, it can feel muggy.
How cloudy is São Paulo in January?
On average about 78% of the sky is covered by cloud in January. This is the mean cloud amount from satellite data, not the number of sunny days.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.