Weather
Average highs sit around 29°C with lows near 23°C. Rainfall is moderate; the odd shower is likely.
Crowds & demand
Crowd levels are High for Rio de Janeiro — the biggest crowds of the year.
Prices & value
Prices run high season this month: premium prices.
Events & what’s on
Look out for Réveillon (New Year’s Eve) while you’re there.
- Réveillon (New Year’s Eve) — Fireworks over Copacabana Beach draw millions dressed in white.
December is a strong choice for Rio de Janeiro: 29° / 23°, with the biggest crowds of the year and premium prices.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated July 2026


