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When to go · Porto Alegre

Porto Alegre in December

Mixed month. Outside the best window (Mar–May, Sep–Nov). Across Brazil: Summer rains start; New Year's Eve on Copacabana fills Rio; book everything early.

Key facts

Verdict
Mixed
Temperature
30°C (86°F) / 19°C (66°F)
average high / low
Rain days
9
Crowds
High
Brazil overall
Prices
High
Brazil overall

Verdict

MixedBrazil month rating

Outside the best window (Mar–May, Sep–Nov). Across Brazil: Summer rains start; New Year's Eve on Copacabana fills Rio; book everything early.

Is another month better than December?

December is rated mixed. These months rate higher:

Weather in December

Long-term averages
  • Porto AlegreHighs around 30 °C (86 °F), lows around 19 °C (66 °F), rain on about 9 days

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.

  • 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 Porto Alegre, side by side.

  • Verdict

    Dec: Mixed

    Mar: Great (better)

  • Daytime high

    Dec: 30 °C (86 °F)

    Mar: 29 °C (84 °F)

  • Night low

    Dec: 19 °C (66 °F)

    Mar: 20 °C (68 °F)

  • Rain days

    Dec: 9

    Mar: 9

  • Crowds

    Dec: High

    Mar: Medium

  • Prices

    Dec: High

    Mar: Medium

  • Festivals listed

    Dec: 1

    Mar: 1

December: Outside the best window (Mar–May, Sep–Nov). Across Brazil: Summer rains start; New Year's Eve on Copacabana fills Rio; book everything early.

March: Inside Porto Alegre's best window: Mar–May, Sep–Nov.

Porto Alegre: figures are long-term averages from this guide, not a forecast.

What to pack

  • Light, breathable clothes, a sun hat and sunscreen

Build the full packing list for your trip →

Across Brazil in December →