Average sea water temperature in May:
+66.9°F
| Minimum sea water temperature in May: | 72.5°F |
| Maximum sea water temperature in May: | 60.3°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 66.6°F. The highest and lowest sea temperatures during the month were 69.8°F and 62.6°F.
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| Porto Alegre |
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| Porto Alegre |
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| Porto Alegre |
14 days
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| Porto Alegre |
Monthly sea water temperature in Porto Alegre, °F
Which Brazil resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Jericoacoara | 84.3°F | 84.2°F |
| Sao Luis | 84.3°F | 84.7°F |
| Paracuru | 84.1°F | 84.4°F |
| Fortaleza | 84.0°F | 84.3°F |
| Belem | 83.8°F | 84.2°F |
| Ananindeua | 83.8°F | 84.1°F |
| Sao Jose de Ribamar | 83.8°F | 84.5°F |
| Macapa | 83.6°F | 83.9°F |
| Recife | 83.4°F | 84.2°F |
| Jaboatao dos Guararapes | 83.4°F | 84.2°F |
| Olinda | 83.4°F | 84.2°F |
| Paulista | 83.3°F | 84.3°F |
| Ilha de Itamaraca | 83.3°F | 84.3°F |
| Maceio | 83.3°F | 83.6°F |
| Natal | 83.3°F | 83.9°F |
| Joao Pessoa | 83.2°F | 84.0°F |
| Aracaju | 83.1°F | 82.7°F |
| Salvador | 82.7°F | 82.0°F |
| Lauro de Freitas | 82.7°F | 82.0°F |
| Ilheus | 82.4°F | 81.0°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: 05:02
May 17, sunday
0600
61°F
N
5 mph
5 mph
0900
61°F
N
4 mph
4 mph
1200
63°F
N
9 mph
9 mph
1500
61°F
N
11 mph
11 mph
1800
57°F
N
12 mph
12 mph
2100
57°F
N
7 mph
7 mph
May 18, monday
0000
55°F
N
9 mph
9 mph
0300
54°F
N
11 mph
11 mph
