Current sea water temperature:
+78.1°F
| Minimum sea water temperature in December: | 82.2°F |
| Maximum sea water temperature in December: | 73.0°F |
| Average sea water temperature in December: | 77.5°F |
| more information | |
14 days
forecast
forecast
| Porto Alegre |
monthly
weather
weather
| Porto Alegre |
Sea water temperature for the last 10 days:
| December 23 | 78.1°F | December 18 | 78.1°F |
| December 22 | 78.6°F | December 17 | 79.3°F |
| December 21 | 79.0°F | December 16 | 81.0°F |
| December 20 | 79.7°F | December 15 | 80.1°F |
| December 19 | 78.8°F | December 14 | 79.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Porto Alegre?
Based on the data about daily sea water temperature for the last three years the warmest sea in Porto Alegre was noticed in February, January and March.
Monthly Sea Temperatures in Porto Alegre, °F
Sea water temperature in February, °F
Show year:
2025
2024
2023
The average sea water temperature in February of 2025 was 83.0°F. The highest and lowest sea temperatures during the month were 84.9°F and 81.1°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 80.7°F. The highest and lowest sea temperatures during the month were 83.8°F and 77.2°F.
Sea water temperature in March, °F
Show year:
2025
2024
2023
The average sea water temperature in March of 2025 was 81.6°F. The highest and lowest sea temperatures during the month were 86.7°F and 78.1°F.
current
weather
weather
| Porto Alegre |
weather in
December
December
| Porto Alegre |
Best time for vacation in Porto Alegre
Porto Alegre on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Porto Alegre
Local time: 23:44
December 24, wednesday
0000
75°F
SE
3 mph
3 mph
0300
75°F
SE
2 mph
2 mph
0600
77°F
SE
4 mph
4 mph
0900
82°F
SE
6 mph
6 mph
1200
86°F
SE
6 mph
6 mph
1500
86°F
SE
4 mph
4 mph
1800
81°F
S
4 mph
4 mph
2100
77°F
S
4 mph
4 mph
