20.12
sat
sat
Day
81°F
NW 8 mph
Precip.
100%
100%
Night
72°F
SW 2 mph
Precip.
0%
0%
21.12
sun
sun
Day
84°F
NW 9 mph
Precip.
0%
0%
Night
72°F
SW 5 mph
Precip.
0%
0%
22.12
mon
mon
Day
88°F
NW 7 mph
Precip.
0%
0%
Night
75°F
SW 4 mph
Precip.
0%
0%
23.12
tue
tue
Day
93°F
W 4 mph
Precip.
0%
0%
Night
79°F
S 4 mph
Precip.
0%
0%
24.12
wed
wed
Day
93°F
N 6 mph
Precip.
0%
0%
Night
79°F
N 2 mph
Precip.
0%
0%
25.12
thu
thu
Day
90°F
N 8 mph
Precip.
0%
0%
Night
77°F
NE 2 mph
Precip.
0%
0%
26.12
fri
fri
Day
88°F
N 10 mph
Precip.
0%
0%
Night
77°F
NE 2 mph
Precip.
0%
0%
27.12
sat
sat
Day
90°F
NW 9 mph
Precip.
0%
0%
Night
77°F
S 3 mph
Precip.
0%
0%
28.12
sun
sun
Day
93°F
N 9 mph
Precip.
25%
25%
Night
77°F
E 6 mph
Precip.
100%
100%
29.12
mon
mon
Day
79°F
NW 9 mph
Precip.
100%
100%
Night
72°F
W 5 mph
Precip.
100%
100%
30.12
tue
tue
Day
77°F
NW 7 mph
Precip.
100%
100%
Night
72°F
W 4 mph
Precip.
100%
100%
31.12
wed
wed
Day
75°F
NW 4 mph
Precip.
100%
100%
Night
73°F
NW 1 mph
Precip.
0%
0%
01.01
thu
thu
Day
84°F
N 6 mph
Precip.
100%
100%
Night
75°F
S 2 mph
Precip.
0%
0%
02.01
fri
fri
Day
82°F
N 8 mph
Precip.
71%
71%
Night
75°F
NW 3 mph
Precip.
100%
100%
sea water
temperature
temperature
| Rio de Janeiro |
monthly
weather
weather
| Rio de Janeiro |
current
weather
weather
| Rio de Janeiro |
7 days
forecast
forecast
| Rio de Janeiro |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 76.8°F. The highest and lowest sea temperatures during the month were 79.0°F and 75.0°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 78.2°F. The highest and lowest sea temperatures during the month were 82.6°F and 74.1°F.
Air temperature in Rio de Janeiro, °F
Precipitation total in Rio de Janeiro, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Rio de Janeiro
Rio de Janeiro on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Rio de Janeiro
Local time: 21:21
December 21, sunday
0000
72°F
SW
2 mph
2 mph
0300
72°F
S
2 mph
2 mph
0600
73°F
SW
3 mph
3 mph
0900
81°F
W
5 mph
5 mph
1200
84°F
NW
9 mph
9 mph
1500
82°F
W
11 mph
11 mph
1800
77°F
W
11 mph
11 mph
2100
73°F
W
7 mph
7 mph
