Current Sea Water Temperature:
+83.4°F
| Maximum Sea Water Temperature in December: | 85.8°F |
| Minimum Sea Water Temperature in December: | 75.6°F |
| Average water temperature in December: | 80.4°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| December 15 | 83.4°F | December 10 | 82.4°F |
| December 14 | 83.2°F | December 09 | 82.6°F |
| December 13 | 81.6°F | December 08 | 82.8°F |
| December 12 | 82.0°F | December 07 | 81.4°F |
| December 11 | 82.0°F | December 06 | 81.8°F |
When is the Warmest Sea for Porto Alegre?
According to our data for the last three years for Porto Alegre the highest average sea water temperature was in February, January and March.
Average Water Temperature by Month, °F
Sea Water Temperature in February
The average sea surface temperature in February 2025 for Porto Alegre was 86.6°F. The maximum and minimum values were 84.6°F and 88.8°F respectively.
Sea Water Temperature in January
The average sea surface temperature in January 2025 for Porto Alegre was 84.1°F. The maximum and minimum values were 80.2°F and 87.6°F respectively.
Sea Water Temperature in March
The average sea surface temperature in March 2025 for Porto Alegre was 85.1°F. The maximum and minimum values were 81.2°F and 90.8°F respectively.
Brazil Resorts:
NAME
F°
| Armacao dos Buzios |  |
+86 |
| Buzios | |
+86 |
| Florianopolis |  |
+90 |
| Fortaleza | |
+94 |
| Itajai | |
+92 |
| Jericoacoara |  |
+90 |
| Joao Pessoa | |
+88 |
| Recife | |
+88 |
| Rio de Janeiro | |
+94 |
| Rio Grande |  |
+80 |
| Salvador |  |
+84 |
| Santos | |
+86 |
| Sao Paulo | |
+86 |
| Unamar | |
+90 |
| Xangri-la | |
+82 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Porto Alegre
Local time: 10:37
15 dec, monday
| 1200 |  |
96°F | E 4 mph |
| 1500 | |
96°F | E 4 mph |
| 1800 |  |
74°F | N 11 mph |
| 2100 |  |
72°F | N 11 mph |
16 dec, tuesday
| 0000 |  |
70°F | N 9 mph |
| 0300 | |
68°F | NE 6 mph |
| 0600 | |
68°F | E 6 mph |
| 0900 |  |
78°F | NE 6 mph |