12.17
wed
wed
DAY

74°F
NE 6 mph
precip
100%
100%
NIGHT

72°F
NE 1 mph
precip
77%
77%
12.18
thu
thu
DAY

74°F
W 4 mph
precip
100%
100%
NIGHT

70°F
W 3 mph
precip
100%
100%
12.19
fri
fri
DAY

82°F
NW 7 mph
precip
80%
80%
NIGHT

74°F
SW 2 mph
precip
0%
0%
12.20
sat
sat
DAY

88°F
NW 8 mph
precip
67%
67%
NIGHT

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

90°F
NW 9 mph
precip
26%
26%
NIGHT

76°F
SW 5 mph
precip
0%
0%
12.22
mon
mon
DAY

90°F
NW 9 mph
precip
0%
0%
NIGHT

78°F
SW 4 mph
precip
0%
0%
12.23
tue
tue
DAY

96°F
W 6 mph
precip
0%
0%
NIGHT

80°F
S 3 mph
precip
0%
0%
12.24
wed
wed
DAY

98°F
NW 6 mph
precip
0%
0%
NIGHT

80°F
N 4 mph
precip
100%
100%
12.25
thu
thu
DAY

92°F
NW 9 mph
precip
0%
0%
NIGHT

78°F
SE 2 mph
precip
0%
0%
12.26
fri
fri
DAY

92°F
NW 10 mph
precip
100%
100%
NIGHT

78°F
SE 2 mph
precip
100%
100%
12.27
sat
sat
DAY

92°F
NW 9 mph
precip
0%
0%
NIGHT

78°F
S 3 mph
precip
0%
0%
12.28
sun
sun
DAY

94°F
E 4 mph
precip
100%
100%
NIGHT

78°F
NE 5 mph
precip
0%
0%
12.29
mon
mon
DAY

96°F
NE 4 mph
precip
0%
0%
NIGHT

80°F
E 4 mph
precip
0%
0%
12.30
tue
tue
DAY

82°F
SW 2 mph
precip
57%
57%
NIGHT

78°F
SW 4 mph
precip
100%
100%
Sea water
temperature
temperature
| Rio de Janeiro |
Weather in
December
December
| Rio de Janeiro |
7 day weather
forecast
forecast
| Rio de Janeiro |
10 day weather
forecast
forecast
| Rio de Janeiro |
14 day weather
forecast
forecast
| Rio de Janeiro |
Monthly weather
averages
averages
| Rio de Janeiro |
Current Weather
Conditions
Conditions
| Rio de Janeiro |
When is the Best
Time to Visit?
Time to Visit?
| 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 79.6°F. The maximum and minimum values were 77.8°F and 82.2°F respectively.
Brazil Resorts:
NAME
F°
| Armacao dos Buzios | ![]() |
+78 |
| Buzios | ![]() |
+78 |
| Florianopolis | ![]() |
+66 |
| Fortaleza | ![]() |
+82 |
| Jericoacoara | ![]() |
+80 |
| Joao Pessoa | ![]() |
+82 |
| Natal | ![]() |
+82 |
| Recife | ![]() |
+84 |
| Rio de Janeiro | ![]() |
+76 |
| Rio Grande | ![]() |
+64 |
| Salvador | ![]() |
+80 |
| Santos | ![]() |
+74 |
| Sao Paulo | ![]() |
+64 |
| Unamar | ![]() |
+78 |
| Xangri-la | ![]() |
+66 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Rio de Janeiro
Local time: 06:59
17 dec, wednesday
| 0900 | ![]() |
74°F | NE 11 mph |
| 1200 | ![]() |
74°F | NE 6 mph |
| 1500 | ![]() |
72°F | NE 7 mph |
| 1800 | ![]() |
72°F | NE 3 mph |
| 2100 | ![]() |
72°F | N 2 mph |
18 dec, thursday
| 0000 | ![]() |
72°F | NE 1 mph |
| 0300 | ![]() |
72°F | SW 1 mph |
| 0600 | ![]() |
72°F | SW 2 mph |





























