Monthly climate guide
São Paulo weather in December
With highs near 28°C (83°F) and lows around 18°C (65°F), December feels hot in São Paulo. Rainfall averages about 150 mm (very wet) and the sky is often cloudy. Daytime highs are about the same as November and about the same as January.
What stands out in December
- It's one of the greyest months, with cloud cover near 75%.
- December is São Paulo's second warmest month.
- In São Paulo, December is early summer — the seasons are reversed south of the equator.
- It's humid — around 78% — so the heat feels heavier.
Avg high
28°C
83°F
Avg low
18°C
65°F
Rainfall
150 mm
very wet
Humidity
78%
relative
Sky
75%
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 December
- 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 December 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 December
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São Paulo weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/brazil/sao-paulo/december
<a href="https://weathercompare.eu/weather/brazil/sao-paulo/december">São Paulo weather in December</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 December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/brazil/sao-paulo/december">São Paulo weather in December</a> – WeatherCompare</p>
São Paulo in December: quick answers
Is December a good time to visit São Paulo?
December is one of the wetter months in São Paulo, with about 150 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is São Paulo in December?
Average highs are about 28°C (83°F) and average lows about 18°C (65°F), based on 10 years of daily data.
Does it rain a lot in São Paulo in December?
São Paulo typically gets around 150 mm of rain in December — very 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.