25.10
sun
sun
Day
66°F
NW 6 mph
Precip.
65%
65%
Night
59°F
NE 4 mph
Precip.
24%
24%
26.10
mon
mon
Day
70°F
NW 6 mph
Precip.
17%
17%
Night
57°F
N 5 mph
Precip.
22%
22%
27.10
tue
tue
Day
68°F
W 5 mph
Precip.
16%
16%
Night
63°F
SW 4 mph
Precip.
26%
26%
28.10
wed
wed
Day
73°F
SW 6 mph
Precip.
8%
8%
Night
66°F
SW 2 mph
Precip.
32%
32%
29.10
thu
thu
Day
75°F
SW 5 mph
Precip.
22%
22%
Night
66°F
W 2 mph
Precip.
54%
54%
30.10
fri
fri
Day
75°F
NW 6 mph
Precip.
25%
25%
Night
64°F
N 4 mph
Precip.
28%
28%
31.10
sat
sat
Day
75°F
NW 6 mph
Precip.
13%
13%
Night
64°F
N 4 mph
Precip.
38%
38%
Sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 67.8°F. The highest and lowest sea temperatures during the month were 70.5°F and 66.4°F.
Sea water temperature in November, °F
Show year:
2025
2024
2023
The average sea water temperature in November of 2025 was 71.6°F. The highest and lowest sea temperatures during the month were 73.6°F and 70.0°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: 13:40
October 25, sunday
1500
66°F
NW
6 mph
6 mph
1800
64°F
NW
7 mph
7 mph
2100
63°F
N
4 mph
4 mph
October 26, monday
0000
59°F
NE
4 mph
4 mph
0300
57°F
NE
5 mph
5 mph
0600
55°F
NE
6 mph
6 mph
0900
66°F
NE
6 mph
6 mph
1200
70°F
NW
6 mph
6 mph
