05.10
mon
mon
Day
66°F
W 3 mph
Precip.
19%
19%
Night
57°F
N 4 mph
Precip.
86%
86%
06.10
tue
tue
Day
63°F
N 2 mph
Precip.
49%
49%
Night
63°F
N 2 mph
Precip.
54%
54%
07.10
wed
wed
Day
68°F
N 1 mph
Precip.
38%
38%
Night
64°F
N 1 mph
Precip.
45%
45%
08.10
thu
thu
Day
75°F
SW 6 mph
Precip.
25%
25%
Night
66°F
N 2 mph
Precip.
70%
70%
09.10
fri
fri
Day
73°F
SE 2 mph
Precip.
33%
33%
Night
66°F
SE 2 mph
Precip.
43%
43%
10.10
sat
sat
Day
81°F
E 3 mph
Precip.
15%
15%
Night
64°F
E 3 mph
Precip.
32%
32%
11.10
sun
sun
Day
77°F
W 6 mph
Precip.
21%
21%
Night
66°F
E 2 mph
Precip.
85%
85%
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 69.2°F. The highest and lowest sea temperatures during the month were 70.7°F and 67.3°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: 09:20
October 05, monday
1200
66°F
W
3 mph
3 mph
1500
66°F
W
3 mph
3 mph
1800
63°F
W
3 mph
3 mph
2100
59°F
N
2 mph
2 mph
October 06, tuesday
0000
57°F
N
4 mph
4 mph
0300
59°F
N
2 mph
2 mph
0600
59°F
N
2 mph
2 mph
0900
61°F
N
2 mph
2 mph
