Average sea water temperature in October:
+68.9°F
| Minimum sea water temperature in October: | 76.1°F |
| Maximum sea water temperature in October: | 64.8°F |
Daily sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 66.3°F. The highest and lowest sea temperatures during the month were 68.5°F and 64.8°F.
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| Porto Alegre |
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| Porto Alegre |
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| Porto Alegre |
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| Porto Alegre |
Monthly sea water temperature in Porto Alegre, °F
Which Brazil resorts have warmest sea in October?
| Place name | October 2026 | October 2025 |
|---|---|---|
| Macapa | 87.0°F | 86.1°F |
| Belem | 84.8°F | 84.0°F |
| Ananindeua | 84.6°F | 83.8°F |
| Sao Jose de Ribamar | 82.9°F | 82.3°F |
| Ilha de Itamaraca | 82.8°F | 80.8°F |
| Sao Luis | 82.8°F | 82.1°F |
| Joao Pessoa | 82.5°F | 80.6°F |
| Jaboatao dos Guararapes | 82.5°F | 80.6°F |
| Paulista | 82.4°F | 80.6°F |
| Recife | 82.4°F | 80.6°F |
| Olinda | 82.3°F | 80.5°F |
| Natal | 82.3°F | 80.5°F |
| Paracuru | 82.1°F | 80.7°F |
| Fortaleza | 82.1°F | 80.8°F |
| Jericoacoara | 82.1°F | 80.8°F |
| Maceio | 81.5°F | 80.3°F |
| Salvador | 80.4°F | 79.3°F |
| Itacare | 80.0°F | 78.8°F |
| Lauro de Freitas | 79.7°F | 79.0°F |
| Aracaju | 79.7°F | 79.5°F |
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: 20:50
October 25, sunday
2100
57°F
N
7 mph
7 mph
October 26, monday
0000
57°F
N
6 mph
6 mph
0300
55°F
NE
6 mph
6 mph
0600
54°F
NE
6 mph
6 mph
0900
61°F
N
7 mph
7 mph
1200
64°F
N
8 mph
8 mph
1500
66°F
N
9 mph
9 mph
1800
63°F
NW
7 mph
7 mph
