Current sea water temperature:
+78.3°F
| Minimum sea water temperature in December: | 82.0°F |
| Maximum sea water temperature in December: | 70.9°F |
| Average sea water temperature in December: | 76.0°F |
| more information | |
14 days
forecast
forecast
| Rio de Janeiro |
monthly
weather
weather
| Rio de Janeiro |
Sea water temperature for the last 10 days:
| December 23 | 78.3°F | December 18 | 78.3°F |
| December 22 | 76.8°F | December 17 | 78.8°F |
| December 21 | 76.1°F | December 16 | 78.1°F |
| December 20 | 77.4°F | December 15 | 75.2°F |
| December 19 | 77.9°F | December 14 | 75.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Rio de Janeiro?
Based on the data about daily sea water temperature for the last three years the warmest sea in Rio de Janeiro was noticed in February, January and March.
Monthly Sea Temperatures in Rio de Janeiro, °F
Sea water temperature in February, °F
Show year:
2025
2024
2023
The average sea water temperature in February of 2025 was 80.2°F. The highest and lowest sea temperatures during the month were 81.7°F and 78.6°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 78.2°F. The highest and lowest sea temperatures during the month were 82.6°F and 74.1°F.
Sea water temperature in March, °F
Show year:
2025
2024
2023
The average sea water temperature in March of 2025 was 78.2°F. The highest and lowest sea temperatures during the month were 79.2°F and 76.5°F.
current
weather
weather
| Rio de Janeiro |
weather in
December
December
| Rio de Janeiro |
Best time for vacation in Rio de Janeiro
Rio de Janeiro on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Rio de Janeiro
Local time: 01:13
December 24, wednesday
0300
77°F
S
4 mph
4 mph
0600
81°F
S
4 mph
4 mph
0900
91°F
NW
2 mph
2 mph
1200
91°F
NW
10 mph
10 mph
1500
88°F
NW
7 mph
7 mph
1800
82°F
W
4 mph
4 mph
2100
81°F
S
1 mph
1 mph
December 25, thursday
0000
79°F
SE
2 mph
2 mph
