Monthly climate guide
São Paulo weather in March
Expect warm weather in São Paulo in March: afternoons reach about 27°C (80°F), while nights drop to around 18°C (64°F). Around 144 mm of rain falls over the month (wet), and skies are often cloudy. Daytime highs are about the same as February and about the same as April.
What stands out in March
- It's wetter than a typical month in São Paulo — roughly 40% more rain than average.
- It's humid — around 85% — so the heat feels heavier.
- São Paulo is usually about 2°C cooler than Piracicaba, 140 km away, in March.
- March brings early autumn to São Paulo — the seasons are reversed south of the equator.
Avg high
27°C
80°F
Avg low
18°C
64°F
Rainfall
144 mm
wet
Humidity
85%
relative
Sky
69%
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 March
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A compact umbrella or packable rain jacket
- Water-resistant shoes
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is March 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 March
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São Paulo weather in March. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/brazil/sao-paulo/march
<a href="https://weathercompare.eu/weather/brazil/sao-paulo/march">São Paulo weather in March</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 March"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/brazil/sao-paulo/march">São Paulo weather in March</a> – WeatherCompare</p>
São Paulo in March: quick answers
Is March a good time to visit São Paulo?
March is one of the wetter months in São Paulo, with about 144 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is São Paulo in March?
Average highs are about 27°C (80°F) and average lows about 18°C (64°F), based on 10 years of daily data.
Does it rain a lot in São Paulo in March?
São Paulo typically gets around 144 mm of rain in March — wet.
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.