Rio de Janeiro weather in December 2019

  • 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

Going to Rio de Janeiro? Find the best month to visit Rio de Janeiro based on the weather.

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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 2019/2020.

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More about Rio de Janeiro

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The December weather guide for Rio de Janeiro, Brazil 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)

Guide to Rio de Janeiro weather in December

The average maximum daytime temperature in Rio de Janeiro in December is a warm 28°C (82°F) with moderate heat & humidity. The average night-time temperature is usually a comfortable 20°C (68°F). There are usually 5 hours of bright sunshine each day, which represents 38% of the 14 hours of daylight.

Expect 207mm (8.1 inches) of rainfall across the whole of December with 21 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around Rio de Janeiro in December is 24°C (75°F).

Rio de Janeiro sunrise & sunset times for December 2019

Browse the sunrise & sunset times for Rio de Janeiro in December 2019. Select a month to view Rio de Janeiro sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2019 05:59 19:25
Monday, 2nd December 2019 05:59 19:26
Tuesday, 3rd December 2019 05:59 19:26
Wednesday, 4th December 2019 05:59 19:27
Thursday, 5th December 2019 05:59 19:28
Friday, 6th December 2019 05:59 19:28
Saturday, 7th December 2019 06:00 19:29
Sunday, 8th December 2019 06:00 19:30
Monday, 9th December 2019 06:00 19:30
Tuesday, 10th December 2019 06:00 19:31
Wednesday, 11th December 2019 06:01 19:32
Thursday, 12th December 2019 06:01 19:32
Friday, 13th December 2019 06:01 19:33
Saturday, 14th December 2019 06:02 19:33
Sunday, 15th December 2019 06:02 19:34
Monday, 16th December 2019 06:02 19:35
Tuesday, 17th December 2019 06:03 19:35
Wednesday, 18th December 2019 06:03 19:36
Thursday, 19th December 2019 06:04 19:36
Friday, 20th December 2019 06:04 19:37
Saturday, 21st December 2019 06:04 19:37
Sunday, 22nd December 2019 06:05 19:38
Monday, 23rd December 2019 06:05 19:38
Tuesday, 24th December 2019 06:06 19:39
Wednesday, 25th December 2019 06:07 19:39
Thursday, 26th December 2019 06:07 19:40
Friday, 27th December 2019 06:08 19:40
Saturday, 28th December 2019 06:08 19:40
Sunday, 29th December 2019 06:09 19:41
Monday, 30th December 2019 06:09 19:41
Tuesday, 31st December 2019 06:10 19:41
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Popular Brazil destinations

Below are average maximum temperatures at popular destinations in Brazil in December. Select a destination to see more weather parameters.

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