Rio de Janeiro Weather in December
29.8°C high · 20.6°C low · 136 mm rain · 7.5h sun
Dec is a warm month in Rio de Janeiro — not peak season, but a good time to avoid crowds.
December at a glance
| Metric | Value |
|---|---|
| Average high | 29.8°C |
| Average low | 20.6°C |
| Rainfall | 136 mm |
| Sunshine | 7.5 hours/day |
| Daylight | 13.4 hours |
What to pack in December
Pack light, breathable clothes, plus a raincoat and umbrella for Rio de Janeiro in December.
Rio de Janeiro weather by month
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Frequently asked questions
What is the weather in Rio de Janeiro in December?
Highs of 29.8°C and lows of 20.6°C, with about 136 mm of rain and 7.5 hours of sunshine per day.
Is December a good time to visit Rio de Janeiro?
Dec is a warm month in Rio de Janeiro — not peak season, but a good time to avoid crowds.
What to do in Rio de Janeiro · Best time to visit Rio de Janeiro
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.