Current Sea Water Temperature:
+78.8°F
| Maximum Sea Water Temperature in December: | 84.0°F |
| Minimum Sea Water Temperature in December: | 75.6°F |
| Average water temperature in December: | 78.5°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| December 04 | 78.8°F | November 29 | 76.6°F |
| December 03 | 78.8°F | November 28 | 75.0°F |
| December 02 | 78.6°F | November 27 | 75.2°F |
| December 01 | 77.8°F | November 26 | 74.6°F |
| November 30 | 76.2°F | November 25 | 75.8°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°
| Anchieta |  |
+74 |
| Armacao dos Buzios | |
+74 |
| Buzios | |
+74 |
| Florianopolis | |
+66 |
| Fortaleza | |
+78 |
| Itajai | |
+68 |
| Jericoacoara | |
+80 |
| Recife | |
+80 |
| Rio de Janeiro | |
+70 |
| Rio Grande |  |
+68 |
| Salvador | |
+80 |
| Santos | |
+70 |
| Sao Paulo |  |
+64 |
| Unamar | |
+68 |
| Xangri-la | |
+68 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Rio das Ostras
Local time: 04:10
05 dec, friday
| 0600 |  |
74°F | NE 5 mph |
| 0900 |  |
78°F | NW 7 mph |
| 1200 | |
80°F | NW 8 mph |
| 1500 |  |
78°F | NW 7 mph |
| 1800 | |
76°F | W 5 mph |
| 2100 | |
74°F | SW 7 mph |
06 dec, saturday
| 0000 |  |
70°F | SW 7 mph |
| 0300 | |
68°F | SW 8 mph |