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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 (84°F) / 23°C (73°F)
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.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

Is another month better than December?

December is rated mixed. These months rate higher:

Weather in December

Long-term averages
  • Rio de JaneiroHighs around 29 °C (84 °F), lows around 23 °C (73 °F), 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 (68–79 °F) 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.

Compare two months

Weather, crowds and prices for any two months in Rio de Janeiro, side by side.

  • Verdict

    Dec: Mixed

    Apr: Great (better)

  • Daytime high

    Dec: 29 °C (84 °F)

    Apr: 28 °C (82 °F)

  • Night low

    Dec: 23 °C (73 °F)

    Apr: 22 °C (72 °F)

  • Rain days

    Dec: 12

    Apr: 10 (better)

  • Crowds

    Dec: High

    Apr: Medium

  • Prices

    Dec: High

    Apr: Medium

  • Festivals listed

    Dec: 3

    Apr: 2

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

April: Heat eases; fewer crowds.

Rio de Janeiro: figures are long-term averages from this guide, not a forecast.

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 →