Current sea water temperature:
+75.9°F
| Minimum sea water temperature in December: | 80.6°F |
| Maximum sea water temperature in December: | 73.0°F |
| Average sea water temperature in December: | 75.6°F |
| more information | |
14 days
forecast
forecast
| Rio das Ostras |
monthly
weather
weather
| Rio das Ostras |
Sea water temperature for the last 10 days:
| December 4 | 75.9°F | November 29 | 73.9°F |
| December 3 | 75.9°F | November 28 | 72.5°F |
| December 2 | 75.7°F | November 27 | 72.7°F |
| December 1 | 75.0°F | November 26 | 72.1°F |
| November 30 | 73.6°F | November 25 | 73.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Rio das Ostras?
Based on the data about daily sea water temperature for the last three years the warmest sea in Rio das Ostras was noticed in March, April and February.
Monthly Sea Temperatures in Rio das Ostras, °F
Sea water temperature in March, °F
Show year:
2025
2024
2023
The average sea water temperature in March of 2025 was 78.5°F. The highest and lowest sea temperatures during the month were 80.4°F and 75.9°F.
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 80.2°F and 75.6°F.
Sea water temperature in February, °F
Show year:
2025
2024
2023
The average sea water temperature in February of 2025 was 74.9°F. The highest and lowest sea temperatures during the month were 76.8°F and 73.4°F.
current
weather
weather
| Rio das Ostras |
weather in
December
December
| Rio das Ostras |
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: 01:46
December 05, friday
0300

66°F
E
5 mph
5 mph
0600

72°F
NE
5 mph
5 mph
0900

75°F
NW
7 mph
7 mph
1200

77°F
NW
8 mph
8 mph
1500

75°F
NW
7 mph
7 mph
1800

73°F
W
5 mph
5 mph
2100

72°F
SW
7 mph
7 mph
December 06, saturday
0000

68°F
SW
7 mph
7 mph



























