Average sea water temperature in March:
+80.0°F
Minimum sea water temperature in March: | 86.7°F |
Maximum sea water temperature in March: | 74.8°F |
Daily sea water temperature in March, °F
Show year:
2025
2024
2023
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72
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93
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.
sea water
temperature
temperature
Porto Alegre |
monthly
weather
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Porto Alegre |
current
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Porto Alegre |
14 days
forecast
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Porto Alegre |
Monthly sea water temperature in Porto Alegre, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
77.3
73.7
69.1
64.5
61.4
59.4
62.5
66.7
73.6
80
81.1
80.7
Which Brazil resorts have warmest sea in March?
Place name | March 2025 | March 2024 |
---|---|---|
Ilha de Itamaraca | 84.9°F | 86.3°F |
Jaboatao dos Guararapes | 84.8°F | 86.2°F |
Paulista | 84.7°F | 86.3°F |
Recife | 84.7°F | 86.2°F |
Joao Pessoa | 84.7°F | 86.2°F |
Olinda | 84.6°F | 86.3°F |
Salvador | 84.6°F | 85.3°F |
Maceio | 84.4°F | 85.5°F |
Ilheus | 84.2°F | 84.8°F |
Natal | 84.2°F | 86.1°F |
Itacare | 84.1°F | 84.9°F |
Aracaju | 84.0°F | 85.4°F |
Lauro de Freitas | 83.9°F | 85.1°F |
Fortaleza | 83.9°F | 85.2°F |
Paracuru | 83.8°F | 85.0°F |
Jericoacoara | 83.5°F | 84.5°F |
Sao Luis | 83.3°F | 83.8°F |
Sao Jose de Ribamar | 83.2°F | 83.5°F |
Paraiso dos Pataxos | 83.0°F | 81.4°F |
Macapa | 82.9°F | 84.2°F |
Best time for vacation in Porto Alegre
Porto Alegre on a weather map
Leaflet | Tiles © Esri
Places in Brazil:
Name
°F
24 Hours Forecast
Porto Alegre
Local time: 11:31
April 15, tuesday
1200

70°F
NW
3 mph
3 mph
1500

75°F
NW
6 mph
6 mph
1800

68°F
NW
8 mph
8 mph
2100

66°F
NW
5 mph
5 mph
April 16, wednesday
0000

64°F
S
1 mph
1 mph
0300

63°F
SE
4 mph
4 mph
0600

61°F
SE
4 mph
4 mph
0900

70°F
E
4 mph
4 mph