12.15
mon
mon
DAY

94°F
NW 11 mph
precip
0%
0%
NIGHT

80°F
E 2 mph
precip
100%
100%
12.16
tue
tue
DAY

98°F
NW 6 mph
precip
100%
100%
NIGHT

78°F
E 8 mph
precip
100%
100%
12.17
wed
wed
DAY

72°F
NE 7 mph
precip
100%
100%
NIGHT

72°F
N 4 mph
precip
100%
100%
12.18
thu
thu
DAY

80°F
N 7 mph
precip
0%
0%
NIGHT

72°F
SW 2 mph
precip
0%
0%
12.19
fri
fri
DAY

80°F
W 4 mph
precip
100%
100%
NIGHT

74°F
S 3 mph
precip
0%
0%
12.20
sat
sat
DAY

88°F
W 7 mph
precip
0%
0%
NIGHT

76°F
SW 4 mph
precip
0%
0%
12.21
sun
sun
DAY

90°F
NW 9 mph
precip
21%
21%
NIGHT

78°F
SW 5 mph
precip
0%
0%
Weather in
December
December
| Rio de Janeiro |
14 day weather
forecast
forecast
| Rio de Janeiro |
Monthly weather
averages
averages
| Rio de Janeiro |
Sea water
temperature
temperature
| Rio de Janeiro |
Rio de Janeiro Sea Water Temperature in December, °F
The average sea surface temperature in December 2025 for Rio de Janeiro was 24.7°F. The maximum and minimum values were 23.9°F and 26.1°F respectively.
Brazil Resorts:
NAME
F°
| Armacao dos Buzios | ![]() |
+78 |
| Buzios | ![]() |
+78 |
| Florianopolis | ![]() |
+76 |
| Fortaleza | ![]() |
+80 |
| Jericoacoara | ![]() |
+84 |
| Joao Pessoa | ![]() |
+80 |
| Natal | ![]() |
+82 |
| Recife | ![]() |
+82 |
| Rio de Janeiro | ![]() |
+80 |
| Rio Grande | ![]() |
+68 |
| Salvador | ![]() |
+82 |
| Santos | ![]() |
+78 |
| Sao Paulo | ![]() |
+76 |
| Unamar | ![]() |
+76 |
| Xangri-la | ![]() |
+74 |





























