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Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

When to go · Rio de Janeiro

Rio de Janeiro in December

Mixed month. Hot and humid; hotels and flights fill before New Year.

Key facts

Verdict
Mixed
Temperature
29°C / 23°C
average high / low
Rain days
12
Crowds
High
Brazil overall
Prices
High
Brazil overall

Verdict

MixedVoykit month rating for Rio de Janeiro

Hot and humid; hotels and flights fill before New Year.

Weather in December

Long-term averages
  • Rio de JaneiroHighs around 29 °C, lows around 23 °C, rain on about 12 days
  • Rio and the Southeast coast, Brazil · Rio de Janeiro, Paraty, Ilha Grande, São Paulorainy

    Hot, humid summers with heavy downpours and floods (December–March); dry, sunny, 20–26 °C winters are the sightseeing season. São Paulo is cooler and rainier.

Hot and wet season

Beach weather and the big festivals: Réveillon and Carnival.

Watch: Heat, humidity, peak prices and heavy showers.

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • New Year's Eve (Réveillon)

    31 December · Copacabana beachfront

    Huge beach party; hotels sell out and streets close.

  • Réveillon on Copacabana

    31 Dec

    Very large beach party; the beachfront closes to cars and the metro runs late. Book the bed by summer.

  • Christmas big impact

    25 Dec · Brazil

    Family holiday; summer travel peak starts.

Crowds and prices

Crowds · Brazil overall
High
Prices · Brazil overall
High

Brazil overall: Summer rains start; New Year's Eve on Copacabana fills Rio; book everything early.

High-price month: see what to book ahead.

What to pack

  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Brazil in December →