12.15
mon
mon
DAY
96°F
E 4 mph
precip
0%
0%
NIGHT
70°F
N 9 mph
precip
100%
100%
12.16
tue
tue
DAY
84°F
N 7 mph
precip
0%
0%
NIGHT
68°F
NW 6 mph
precip
79%
79%
12.17
wed
wed
DAY
82°F
N 6 mph
precip
0%
0%
NIGHT
66°F
W 6 mph
precip
0%
0%
12.18
thu
thu
DAY
92°F
NE 2 mph
precip
0%
0%
NIGHT
70°F
W 4 mph
precip
0%
0%
12.19
fri
fri
DAY
94°F
NW 4 mph
precip
0%
0%
NIGHT
72°F
W 5 mph
precip
0%
0%
12.20
sat
sat
DAY
98°F
E 4 mph
precip
0%
0%
NIGHT
78°F
SW 5 mph
precip
0%
0%
12.21
sun
sun
DAY
102°F
SE 7 mph
precip
22%
22%
NIGHT
78°F
NW 2 mph
precip
100%
100%
12.22
mon
mon
DAY
78°F
SE 6 mph
precip
100%
100%
NIGHT
72°F
NW 6 mph
precip
100%
100%
12.23
tue
tue
DAY
80°F
NW 6 mph
precip
26%
26%
NIGHT
74°F
W 3 mph
precip
100%
100%
12.24
wed
wed
DAY
86°F
SE 7 mph
precip
100%
100%
NIGHT
76°F
SW 6 mph
precip
0%
0%
12.25
thu
thu
DAY
86°F
N 2 mph
precip
0%
0%
NIGHT
82°F
NW 6 mph
precip
0%
0%
12.26
fri
fri
DAY
94°F
NE 11 mph
precip
100%
100%
NIGHT
72°F
NW 12 mph
precip
100%
100%
12.27
sat
sat
DAY
74°F
NW 11 mph
precip
76%
76%
NIGHT
70°F
W 12 mph
precip
0%
0%
12.28
sun
sun
DAY
80°F
W 9 mph
precip
0%
0%
NIGHT
70°F
W 8 mph
precip
0%
0%
Sea water
temperature
temperature
| Porto Alegre |
Weather in
December
December
| Porto Alegre |
7 day weather
forecast
forecast
| Porto Alegre |
10 day weather
forecast
forecast
| Porto Alegre |
14 day weather
forecast
forecast
| Porto Alegre |
Monthly weather
averages
averages
| Porto Alegre |
Current Weather
Conditions
Conditions
| Porto Alegre |
When is the Best
Time to Visit?
Time to Visit?
| Porto Alegre |
Porto Alegre Sea Water Temperature in December, °F
The average sea surface temperature in December 2025 for Porto Alegre was 81.4°F. The maximum and minimum values were 78.4°F and 83.4°F respectively.
Porto Alegre on the Weather Map
Brazil Resorts:
NAME
F°
| Armacao dos Buzios |  |
+78 |
| Buzios | |
+78 |
| Florianopolis |  |
+76 |
| Fortaleza | |
+80 |
| Jericoacoara |  |
+84 |
| Joao Pessoa | |
+80 |
| Natal | |
+82 |
| Recife | |
+82 |
| Rio de Janeiro | |
+80 |
| Rio Grande |  |
+68 |
| Salvador | |
+82 |
| Santos | |
+78 |
| Sao Paulo | |
+76 |
| Unamar | |
+76 |
| Xangri-la | |
+74 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Porto Alegre
Local time: 20:10
15 dec, monday
| 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 |
| 1200 | |
84°F | N 7 mph |
| 1500 | |
84°F | N 8 mph |
| 1800 | |
74°F | N 11 mph |