World Resorts Brazil Porto Alegre Weather

Porto Alegre sea water temperature

Current sea water temperature:
+85.6°F
Minimum sea water temperature in March: 86.7°F
Maximum sea water temperature in March: 74.8°F
Average sea water temperature in March: 79.9°F

Sea water temperature for the last 10 days:

March 7 85.6°F March 2 83.1°F
March 6 85.8°F March 1 83.5°F
March 5 86.7°F February 28 83.7°F
March 4 86.2°F February 27 84.2°F
March 3 85.8°F February 26 82.9°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

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
73.4
79.9
81.1
80.7

Sea water temperature in February, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
73
76
79
82
85
88
91

The average sea water temperature in February of 2025 was 83.0°F. The highest and lowest sea temperatures during the month were 84.9°F and 81.1°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
72
75
78
81
84
87
90

The average sea water temperature in January of 2025 was 80.7°F. The highest and lowest sea temperatures during the month were 83.8°F and 77.2°F.

Sea water temperature in March, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
70
73
76
79
82
85
88

The average sea water temperature in March of 2024 was 80.2°F. The highest and lowest sea temperatures during the month were 83.3°F and 76.6°F.

Best time for vacation in Porto Alegre

Sunniest months:
August 16 days
July 15 days
February 15 days
Warmest months:
January 87.0 °F
February 86.7 °F
March 83.9 °F
Warmest sea temp:
February 81.1 °F
January 80.7 °F
March 79.6 °F
Coldest months:
July 64.8 °F
June 65.4 °F
May 67.8 °F
Rainiest months:
September 5 days
May 5 days
July 4 days
Windiest months:
December 7.5 mph
January 7.2 mph
November 7.2 mph

Porto Alegre on a weather map

Leaflet | Tiles © Esri
Places in Brazil:
Name
°F
+70°F
+73°F
+77°F
+75°F
+75°F
+79°F
+77°F
+81°F
+68°F
+73°F
+66°F
+72°F
+73°F
24 Hours Forecast
Porto Alegre
Local time: 04:14
March 08, saturday
0600
77°F
S
4 mph
0900
88°F
S
8 mph
1200
99°F
SE
5 mph
1500
100°F
NE
2 mph
1800
90°F
W
9 mph
2100
84°F
NE
1 mph
March 09, sunday
0000
79°F
N
12 mph
0300
79°F
N
9 mph
Units of measurement: °C / °F