World Resorts Brazil Porto Alegre Weather

Porto Alegre sea water temperature

Current sea water temperature:
+57.7°F
Minimum sea water temperature in July: 62.8°F
Maximum sea water temperature in July: 54.5°F
Average sea water temperature in July: 58.9°F

Sea water temperature for the last 10 days:

July 16 57.7°F July 11 57.2°F
July 15 57.0°F July 10 57.2°F
July 14 56.7°F July 9 56.7°F
July 13 57.6°F July 8 56.1°F
July 12 57.4°F July 7 56.1°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.

Best time for vacation in Porto Alegre

Sunniest months:
February 15 days
March 15 days
May 15 days
Warmest months:
January 86.7 °F
February 86.6 °F
March 84.2 °F
Warmest sea temp:
February 81.1 °F
January 80.6 °F
March 79.8 °F
Coldest months:
June 64.1 °F
July 64.5 °F
August 67.5 °F
Rainiest months:
September 5 days
November 4 days
July 4 days
Windiest months:
December 7.3 mph
November 7.3 mph
January 7.2 mph

Porto Alegre on a weather map

Porto Alegre
+64°F
SW 4 mph
Feels like: +64°F
Precip.: 6%
Places in Brazil:
Name
°F
+68°F
+73°F
+73°F
+64°F
+73°F
+75°F
+57°F
+61°F
+61°F
+54°F
+57°F
+77°F
+61°F
24 Hours Forecast
Porto Alegre
Local time: 23:37
July 17, friday
0000
64°F
SW
4 mph
0300
63°F
SW
5 mph
0600
63°F
SW
5 mph
0900
66°F
S
4 mph
1200
81°F
S
9 mph
1500
84°F
S
9 mph
1800
79°F
S
9 mph
2100
73°F
S
6 mph
Units of measurement: °C / °F