How hot is Rio de Janeiro in January?

Daytime highs in Rio de Janeiro in January average 30°C (85°F); nights drop to about 24°C.

Does it rain in Rio de Janeiro in January?

Expect around 13.7 rainy days and 134 mm of rainfall in January.

Is January a good time to visit Rio de Janeiro?

January is a fair shoulder-season month in Rio de Janeiro — decent conditions with some trade-offs. Overall travel score: 5.8/10. The best months are May–September.

Rio de Janeiro weather in January

January is a fair shoulder-season month in Rio de Janeiro — decent conditions with some trade-offs. Expect highs around 30°C, lows near 24°C, and about 13.7 days with rain.

5.8 · Fairtravel score for January

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Avg high

30°C

Avg low

24°C

Rainfall

134 mm

Rain days

13.7

Sunshine

10.5 h/day

Daylight

13.3 h

What to pack for Rio de Janeiro in January

light, breathable clothing
sun protection (hat, SPF 50)
a compact umbrella or rain shell — rain is frequent
expect humid, sticky conditions

Humidity averages 81%; max daily wind around 16 km/h.

How January compares

Best months in Rio de Janeiro: May–September. See the full best time to visit Rio de Janeiro guide.

Rio de Janeiro in January: the details

In January, Rio de Janeiro sees average daytime highs of 30°C (85°F) and overnight lows of 24°C (75°F). Rainfall totals roughly 134 mm across 13.7 rainy days, and the sun shines about 10.5 hours per day with 13.3 hours of daylight mid-month. Relative humidity averages 81%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Rio de Janeiro, Brazil (-22.91, -43.18) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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