Measurements:
°C
°F
Rio de Janeiro
76°F
E 9 mph
Feels like: 82°F
Precip: 100%
World Resorts Brazil Rio de Janeiro Weather December Weather in Rio de Janeiro

Rio de Janeiro Weather: December

Average Day Temperature: 88.9°F
Average Night Temperature: 77.0°F
Sea Water Temperature: 78.9°F
Number of Sunny Days: 11 days
Sunshine Hours: 13.4 - 13.6 hours
Number of Rainy Days: 8 days
Precipitation Totals: 4.7 in

Air Temperature in December, °F

Select Year: 2024 2023 2022

The highest day temperature in December 2024 was 95°F. The lowest night temperature was 70°F. The average values for day and night temperatures during December were 84.1°F и 75.8°F respectivly.

Rio de Janeiro Water Sea Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Rio de Janeiro was 78.6°F. The maximum and minimum values were 75.6°F and 81.8°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during December. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in December, in

Precipitation total in December for Rio de Janeiro is 4.7 in. It makes december one of the most rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 6.1 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Rio de Janeiro in December is 7.7 hours.

Best Time to Visit Rio de Janeiro
The most sunny months:
July 20 days
May 19 days
August 19 days
The most warm months:
February 92.9 °F
January 91.6 °F
March 90.9 °F
Warmest sea temperature:
February 83.0 °F
January 82.6 °F
March 82.2 °F
The most cold months:
August 82.3 °F
June 82.8 °F
July 82.9 °F
The most rainy months:
November 9 days
December 8 days
January 8 days
The most windy months:
October 7 mph
September 7 mph
November 7 mph

Rio de Janeiro on the Weather Map

24 Hours Weather Forecast
Rio de Janeiro
Local time: 00:06
14 dec, sunday
0300 76°F
S
6 mph
0600 76°F
S
6 mph
0900 80°F
SE
4 mph
1200 86°F
SE
1 mph
1500 88°F
W
1 mph
1800 82°F
W
6 mph
2100 80°F
W
3 mph
15 dec, monday
0000 78°F
S
2 mph