Current Sea Water Temperature:
+82.0°F
| Maximum Sea Water Temperature in December: | 85.6°F |
| Minimum Sea Water Temperature in December: | 73.2°F |
| Average water temperature in December: | 78.9°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| December 17 | 82.0°F | December 12 | 79.2°F |
| December 16 | 81.2°F | December 11 | 82.2°F |
| December 15 | 78.0°F | December 10 | 82.0°F |
| December 14 | 78.0°F | December 09 | 80.4°F |
| December 13 | 77.8°F | December 08 | 80.4°F |
When is the Warmest Sea for Rio de Janeiro?
According to our data for the last three years for Rio de Janeiro the highest average sea water temperature was in February, January and March.
Average Water Temperature by Month, °F
Sea Water Temperature in February
The average sea surface temperature in February 2025 for Rio de Janeiro was 83.6°F. The maximum and minimum values were 81.8°F and 85.2°F respectively.
Sea Water Temperature in January
The average sea surface temperature in January 2025 for Rio de Janeiro was 81.3°F. The maximum and minimum values were 76.8°F and 86.2°F respectively.
Sea Water Temperature in March
The average sea surface temperature in March 2025 for Rio de Janeiro was 81.3°F. The maximum and minimum values were 79.4°F and 82.4°F respectively.
Brazil Resorts:
NAME
F°
| Armacao dos Buzios |  |
+76 |
| Buzios | |
+76 |
| Florianopolis |  |
+78 |
| Fortaleza | |
+92 |
| Jericoacoara | |
+94 |
| Joao Pessoa |  |
+88 |
| Natal | |
+90 |
| Recife | |
+88 |
| Rio de Janeiro |  |
+74 |
| Rio Grande | |
+74 |
| Salvador | |
+84 |
| Santos | |
+74 |
| Sao Paulo | |
+66 |
| Unamar | |
+76 |
| Xangri-la | |
+72 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Rio de Janeiro
Local time: 11:55
17 dec, wednesday
| 1200 |  |
74°F | NE 7 mph |
| 1500 | |
74°F | NE 6 mph |
| 1800 | |
72°F | N 4 mph |
| 2100 |  |
74°F | N 3 mph |
18 dec, thursday
| 0000 | |
72°F | N 3 mph |
| 0300 | |
72°F | N 3 mph |
| 0600 | |
74°F | NW 1 mph |
| 0900 | |
76°F | NW 2 mph |