Measurements:
°C
°F
CURRENT WEATHER
06:07
Rio de Janeiro
70°F
SE 2 mph
Feels like: 70°F
Precip: 100%
World Resorts Brazil Rio de Janeiro Weather

7 Day Weather Forecast

12.18
thu
DAY
72°F
W 3 mph
precip
100%
NIGHT
70°F
W 4 mph
precip
0%
12.19
fri
DAY
80°F
W 6 mph
precip
67%
NIGHT
74°F
SW 4 mph
precip
0%
12.20
sat
DAY
84°F
NW 8 mph
precip
100%
NIGHT
74°F
SW 4 mph
precip
0%
12.21
sun
DAY
88°F
NW 9 mph
precip
89%
NIGHT
74°F
SW 4 mph
precip
0%
12.22
mon
DAY
90°F
W 9 mph
precip
0%
NIGHT
78°F
SW 4 mph
precip
0%
12.23
tue
DAY
96°F
W 6 mph
precip
0%
NIGHT
80°F
S 3 mph
precip
0%
12.24
wed
DAY
98°F
NW 6 mph
precip
0%
NIGHT
82°F
SE 2 mph
precip
0%

Rio de Janeiro Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Rio de Janeiro was 24.9°F. The maximum and minimum values were 23.9°F and 26.1°F respectively.

Rio de Janeiro on the Weather Map

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
more details