Measurements:
°C
°F
CURRENT WEATHER
02:58
Porto Alegre
60°F
SW 2 mph
Feels like: 60°F
Precip: 0%
World Resorts Brazil Porto Alegre Weather

7 Day Weather Forecast

05.01
fri
DAY
80°F
S 5 mph
precip
0%
NIGHT
68°F
NE 2 mph
precip
100%
05.02
sat
DAY
72°F
N 9 mph
precip
100%
NIGHT
56°F
NE 6 mph
precip
0%
05.03
sun
DAY
62°F
NW 4 mph
precip
81%
NIGHT
56°F
W 6 mph
precip
0%
05.04
mon
DAY
66°F
SE 2 mph
precip
0%
NIGHT
68°F
S 5 mph
precip
61%
05.05
tue
DAY
82°F
E 4 mph
precip
0%
NIGHT
72°F
SW 2 mph
precip
0%
05.06
wed
DAY
74°F
NW 4 mph
precip
71%
NIGHT
70°F
NW 6 mph
precip
0%
05.07
thu
DAY
74°F
E 13 mph
precip
100%
NIGHT
68°F
SE 3 mph
precip
0%

Porto Alegre Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Porto Alegre was 20.0°F. The maximum and minimum values were 17.7°F and 21.8°F respectively.

Porto Alegre on the Weather Map

Best Time to Visit Porto Alegre
The most sunny months:
February 15 days
March 15 days
May 15 days
The most warm months:
January 90.7 °F
February 90.6 °F
March 88.0 °F
Warmest sea temperature:
February 84.6 °F
January 84.0 °F
March 83.2 °F
The most cold months:
July 66.1 °F
June 66.2 °F
August 69.5 °F
The most rainy months:
September 5 days
May 5 days
November 4 days
The most windy months:
December 7 mph
November 7 mph
January 7 mph
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