Current sea water temperature:
+78.6°F
| Minimum sea water temperature in March: | 86.7°F |
| Maximum sea water temperature in March: | 74.8°F |
| Average sea water temperature in March: | 79.9°F |
| more information | |
14 days
forecast
forecast
| Porto Alegre |
monthly
weather
weather
| Porto Alegre |
Sea water temperature for the last 10 days:
| March 17 | 78.6°F | March 12 | 77.7°F |
| March 16 | 77.9°F | March 11 | 78.4°F |
| March 15 | 78.6°F | March 10 | 78.8°F |
| March 14 | 77.7°F | March 9 | 79.7°F |
| March 13 | 77.9°F | March 8 | 80.8°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:
2026
2025
2024
The average sea water temperature in February of 2026 was 81.3°F. The highest and lowest sea temperatures during the month were 82.9°F and 78.8°F.
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 80.3°F. The highest and lowest sea temperatures during the month were 82.8°F and 78.3°F.
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 78.8°F. The highest and lowest sea temperatures during the month were 80.8°F and 77.7°F.
current
weather
weather
| Porto Alegre |
weather in
March
March
| 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: 22:08
March 18, wednesday
0000
72°F
W
3 mph
3 mph
0300
72°F
S
1 mph
1 mph
0600
72°F
S
2 mph
2 mph
0900
75°F
SE
2 mph
2 mph
1200
88°F
NE
1 mph
1 mph
1500
81°F
N
9 mph
9 mph
1800
79°F
NW
7 mph
7 mph
2100
75°F
NW
5 mph
5 mph
