Current sea water temperature:
+67.1°F
| Minimum sea water temperature in October: | 76.1°F |
| Maximum sea water temperature in October: | 64.8°F |
| Average sea water temperature in October: | 69.1°F |
| more information | |
14 days
forecast
forecast
| Porto Alegre |
monthly
weather
weather
| Porto Alegre |
Sea water temperature for the last 10 days:
| October 9 | 67.1°F | October 4 | 64.8°F |
| October 8 | 66.9°F | October 3 | 65.3°F |
| October 7 | 65.7°F | October 2 | 65.1°F |
| October 6 | 64.8°F | October 1 | 66.4°F |
| October 5 | 64.9°F | September 30 | 67.5°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 79.1°F. The highest and lowest sea temperatures during the month were 81.7°F and 77.7°F.
current
weather
weather
| Porto Alegre |
weather in
October
October
| 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: 19:47
October 09, friday
2100

64°F
NW
10 mph
10 mph
October 10, saturday
0000

63°F
NW
6 mph
6 mph
0300

63°F
N
5 mph
5 mph
0600

63°F
N
4 mph
4 mph
0900

63°F
N
7 mph
7 mph
1200

63°F
N
7 mph
7 mph
1500

63°F
N
6 mph
6 mph
1800

61°F
N
3 mph
3 mph




























