23.12
tue
tue
Day
86°F
SW 14 mph
Precip.
0%
0%
Night
72°F
SW 13 mph
Precip.
0%
0%
24.12
wed
wed
Day
88°F
W 13 mph
Precip.
0%
0%
Night
72°F
SW 9 mph
Precip.
0%
0%
25.12
thu
thu
Day
86°F
W 11 mph
Precip.
0%
0%
Night
72°F
SW 10 mph
Precip.
0%
0%
26.12
fri
fri
Day
88°F
NW 8 mph
Precip.
0%
0%
Night
73°F
SW 5 mph
Precip.
0%
0%
27.12
sat
sat
Day
82°F
NW 9 mph
Precip.
0%
0%
Night
72°F
SW 7 mph
Precip.
0%
0%
28.12
sun
sun
Day
86°F
NW 9 mph
Precip.
0%
0%
Night
73°F
SW 9 mph
Precip.
0%
0%
29.12
mon
mon
Day
84°F
NW 9 mph
Precip.
100%
100%
Night
73°F
NE 3 mph
Precip.
42%
42%
30.12
tue
tue
Day
81°F
NW 7 mph
Precip.
100%
100%
Night
73°F
E 5 mph
Precip.
0%
0%
31.12
wed
wed
Day
84°F
W 9 mph
Precip.
0%
0%
Night
73°F
SW 11 mph
Precip.
56%
56%
01.01
thu
thu
Day
86°F
SW 7 mph
Precip.
0%
0%
Night
73°F
SW 11 mph
Precip.
0%
0%
02.01
fri
fri
Day
84°F
SE 9 mph
Precip.
24%
24%
Night
75°F
NE 2 mph
Precip.
100%
100%
03.01
sat
sat
Day
75°F
NE 5 mph
Precip.
100%
100%
Night
72°F
N 11 mph
Precip.
100%
100%
04.01
sun
sun
Day
72°F
N 11 mph
Precip.
100%
100%
Night
70°F
NE 3 mph
Precip.
53%
53%
05.01
mon
mon
Day
70°F
SE 4 mph
Precip.
100%
100%
Night
66°F
SW 9 mph
Precip.
100%
100%
sea water
temperature
temperature
| Rio das Ostras |
monthly
weather
weather
| Rio das Ostras |
current
weather
weather
| Rio das Ostras |
7 days
forecast
forecast
| Rio das Ostras |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 76.6°F. The highest and lowest sea temperatures during the month were 77.9°F and 73.6°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 77.9°F. The highest and lowest sea temperatures during the month were 81.1°F and 75.9°F.
Air temperature in Rio das Ostras, °F
Precipitation total in Rio das Ostras, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Rio das Ostras
Rio das Ostras on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Rio das Ostras
Local time: 23:45
December 24, wednesday
0000
72°F
SW
13 mph
13 mph
0300
72°F
SW
11 mph
11 mph
0600
75°F
SW
11 mph
11 mph
0900
84°F
SW
9 mph
9 mph
1200
88°F
W
13 mph
13 mph
1500
84°F
W
16 mph
16 mph
1800
75°F
SW
11 mph
11 mph
2100
72°F
SW
11 mph
11 mph
