WanderWhen

São Paulo weather in January

January is a fair shoulder-season month in São Paulo — decent conditions with some trade-offs. Expect highs around 27°C, lows near 19°C, and about 25 days with rain.

6.6 · Fairtravel score for January
Avg high
27°C
Avg low
19°C
Rainfall
222 mm
Rain days
25
Sunshine
9.9 h/day
Daylight
13.3 h

What to pack for São Paulo in January

  • t-shirts and light layers
  • a light jacket for evenings
  • a compact umbrella or rain shell — rain is frequent
  • expect humid, sticky conditions

Humidity averages 82%; max daily wind around 21 km/h.

São Paulo in January: the details

In January, São Paulo sees average daytime highs of 27°C (81°F) and overnight lows of 19°C (66°F). Rainfall totals roughly 222 mm across 25 rainy days, and the sun shines about 9.9 hours per day with 13.3 hours of daylight mid-month. Relative humidity averages 82%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for São Paulo, Brazil (-23.55, -46.64) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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