Rio de Janeiro weather in December 2024

Expect 28°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Rio de Janeiro in December. Check more long-term weather averages for Rio de Janeiro in December before you book your next holiday to Brazil in 2024/2025.

  • 28°C maximum daytime temperature in December in Rio de Janeiro28
    28°C max day temperature
  • 5 hours of sunshine per day
  • 21 days with some rainfall in December in Rio de Janeiro21
    21 days with some rainfall
  • 20°C minimum night-time temperature in December in Rio de Janeiro20
    20°C min night temperature
  • 14 hours of daylight per day in December in Rio de Janeiro14
    14 hours of daylight per day
  • Moderate heat & humidity in December in Rio de JaneiroM
    Moderate heat & humidity
  • 207 mm monthly rainfall in December in Rio de Janeiro207
    207 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Rio de Janeiro11
    11+ (Extreme) UV index
  • 24°C sea temperature in December in Rio de Janeiro24
    24°C sea temperature

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  • Travel before 31st December 2024 (inclusive)

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The December weather guide for Brazil (Rio de Janeiro) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Brazil

How hot is it in Rio de Janeiro in December?

Daytime temperatures usually reach 28°C in Rio de Janeiro in December with moderate heat and humidity, falling to 20°C at night.

How sunny is it in Rio de Janeiro in December?

There are normally 5 hours of bright sunshine each day in Rio de Janeiro in December - that's 38% of daylight hours.

How warm is the sea around Rio de Janeiro in December?

The average sea temperature around Rio de Janeiro in December is 24°C.

Does it rain in Rio de Janeiro in December?

There are usually 21 days with some rain in Rio de Janeiro in December and the average monthly rainfall is 207mm.

Rio de Janeiro December sunrise & sunset times

Browse the sunrise and sunset times for Rio de Janeiro in December 2024. Select a month to view Rio de Janeiro sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 04:59 18:25
Monday, 16th December 2024 05:03 18:35
Tuesday, 31st December 2024 05:11 18:42

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