Current Sea Water Temperature:
+78.4°F
| Maximum Sea Water Temperature in January: | 85.4°F |
| Minimum Sea Water Temperature in January: | 75.0°F |
| Average water temperature in January: | 79.5°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| January 09 | 78.4°F | January 04 | 80.4°F |
| January 08 | 78.2°F | January 03 | 80.8°F |
| January 07 | 80.0°F | January 02 | 80.8°F |
| January 06 | 80.0°F | January 01 | 80.6°F |
| January 05 | 80.2°F | December 31 | 78.2°F |
When is the Warmest Sea for Rio das Ostras?
According to our data for the last three years for Rio das Ostras the highest average sea water temperature was in March, April and February.
Average Water Temperature by Month, °F
Sea Water Temperature in March
The average sea surface temperature in March 2025 for Rio das Ostras was 81.7°F. The maximum and minimum values were 78.8°F and 83.8°F respectively.
Sea Water Temperature in April
The average sea surface temperature in April 2025 for Rio das Ostras was 80.2°F. The maximum and minimum values were 78.4°F and 83.6°F respectively.
Sea Water Temperature in February
The average sea surface temperature in February 2025 for Rio das Ostras was 77.7°F. The maximum and minimum values were 76.0°F and 79.8°F respectively.
Brazil Resorts:
NAME
F°
| Angra dos Reis |  |
+76 |
| Armacao dos Buzios |  |
+78 |
| Buzios | |
+78 |
| Florianopolis |  |
+76 |
| Fortaleza | |
+78 |
| Joao Pessoa | |
+80 |
| Porto Alegre |  |
+74 |
| Recife | |
+80 |
| Rio de Janeiro | |
+80 |
| Rio Grande |  |
+74 |
| Salvador | |
+82 |
| Santos | |
+76 |
| Sao Paulo | |
+74 |
| Sao Sebastiao | |
+76 |
| Xangri-la | |
+74 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Rio das Ostras
Local time: 23:29
10 jan, saturday
| 0000 |  |
74°F | SW 11 mph |
| 0300 |  |
74°F | SW 9 mph |
| 0600 |  |
78°F | SW 13 mph |
| 0900 |  |
86°F | SW 16 mph |
| 1200 | |
90°F | SW 16 mph |
| 1500 | |
88°F | SW 19 mph |
| 1800 | |
78°F | SW 16 mph |
| 2100 | |
74°F | SW 13 mph |