Monthly climate guide
São Paulo weather in January
Expect hot weather in São Paulo in January: afternoons reach about 28°C (82°F), while nights drop to around 19°C (66°F). Around 203 mm of rain falls over the month (very wet), and skies are often cloudy. Daytime highs are about the same as December and about the same as February.
What stands out in January
- In São Paulo, January is mid-summer — the seasons are reversed south of the equator.
- It's humid — around 82% — so the heat feels heavier.
- São Paulo is usually about 2°C cooler than Piracicaba, 140 km away, in January.
- It's wetter than a typical month in São Paulo — roughly 97% more rain than average.
It's usually the wettest month of the year.
Avg high
28°C
82°F
Avg low
19°C
66°F
Rainfall
203 mm
very wet
Humidity
82%
relative
Sky
74%
cloud · often cloudy
São Paulo weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 28°C / 82°F | 19°C / 66°F | 203 mm | 82% | 74% |
| February | 28°C / 82°F | 19°C / 65°F | 172 mm | 81% | 68% |
| March | 27°C / 80°F | 18°C / 64°F | 144 mm | 85% | 69% |
| April | 26°C / 78°F | 16°C / 61°F | 74 mm | 83% | 58% |
| May | 23°C / 74°F | 13°C / 56°F | 57 mm | 83% | 59% |
| June | 22°C / 72°F | 12°C / 54°F | 78 mm | 82% | 58% |
| July | 23°C / 73°F | 11°C / 52°F | 45 mm | 78% | 47% |
| August | 25°C / 76°F | 12°C / 53°F | 36 mm | 74% | 48% |
| September | 28°C / 82°F | 14°C / 57°F | 53 mm | 71% | 56% |
| October | 29°C / 84°F | 16°C / 60°F | 89 mm | 73% | 69% |
| November | 27°C / 81°F | 16°C / 61°F | 137 mm | 77% | 75% |
| December | 28°C / 83°F | 18°C / 65°F | 150 mm | 78% | 75% |
What to pack for January
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A compact umbrella or packable rain jacket
- Water-resistant shoes
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is January a good time to visit São Paulo?
Our São Paulo guide recommends: April to June or August to September, in the milder, drier shoulder months.
São Paulo's food scene is considered one of the best in South America — it's worth building an itinerary around restaurants, not just sights.
Best time to visit São Paulo →Other Brazil cities in January
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São Paulo weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/brazil/sao-paulo/january
<a href="https://weathercompare.eu/weather/brazil/sao-paulo/january">São Paulo weather in January</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/brazil/sao-paulo" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="São Paulo weather in January"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/brazil/sao-paulo/january">São Paulo weather in January</a> – WeatherCompare</p>
São Paulo in January: quick answers
Is January a good time to visit São Paulo?
January is one of the wetter months in São Paulo, with about 203 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is São Paulo in January?
Average highs are about 28°C (82°F) and average lows about 19°C (66°F), based on 10 years of daily data.
Does it rain a lot in São Paulo in January?
São Paulo typically gets around 203 mm of rain in January — very wet. It's usually the wettest month of the year.
When is the best time to visit São Paulo?
April to June or August to September, in the milder, drier shoulder months.
Figures are long-term averages for the area around São Paulo (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.