30.12
tue
tue
Day
81°F
NW 7 mph
Precip.
69%
69%
Night
73°F
SW 4 mph
Precip.
100%
100%
31.12
wed
wed
Day
81°F
SW 6 mph
Precip.
100%
100%
Night
73°F
E 3 mph
Precip.
0%
0%
01.01
thu
thu
Day
91°F
SW 4 mph
Precip.
0%
0%
Night
72°F
E 5 mph
Precip.
100%
100%
02.01
fri
fri
Day
77°F
NW 7 mph
Precip.
100%
100%
Night
72°F
N 7 mph
Precip.
60%
60%
03.01
sat
sat
Day
75°F
NW 9 mph
Precip.
100%
100%
Night
68°F
N 6 mph
Precip.
0%
0%
04.01
sun
sun
Day
81°F
SW 7 mph
Precip.
0%
0%
Night
70°F
W 4 mph
Precip.
74%
74%
05.01
mon
mon
Day
77°F
SW 8 mph
Precip.
43%
43%
Night
70°F
SW 7 mph
Precip.
100%
100%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 75.5°F. The highest and lowest sea temperatures during the month were 77.2°F and 73.0°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 78.7°F. The highest and lowest sea temperatures during the month were 81.3°F and 77.2°F.
Air temperature in Itajai, °F
Precipitation total in Itajai, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Itajai
Itajai on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Itajai
Local time: 17:00
December 30, tuesday
1800
75°F
W
6 mph
6 mph
2100
73°F
W
4 mph
4 mph
December 31, wednesday
0000
73°F
SW
4 mph
4 mph
0300
73°F
S
2 mph
2 mph
0600
75°F
SE
2 mph
2 mph
0900
79°F
N
1 mph
1 mph
1200
81°F
SW
6 mph
6 mph
1500
81°F
SW
5 mph
5 mph
