26.08
wed
wed
Day
73°F
W 3 mph
Precip.
16%
16%
Night
64°F
SE 2 mph
Precip.
63%
63%
27.08
thu
thu
Day
79°F
W 2 mph
Precip.
3%
3%
Night
63°F
SE 2 mph
Precip.
43%
43%
28.08
fri
fri
Day
81°F
NW 5 mph
Precip.
14%
14%
Night
66°F
E 2 mph
Precip.
43%
43%
29.08
sat
sat
Day
73°F
NW 4 mph
Precip.
11%
11%
Night
68°F
N 2 mph
Precip.
32%
32%
30.08
sun
sun
Day
72°F
NW 6 mph
Precip.
25%
25%
Night
66°F
SE 2 mph
Precip.
42%
42%
31.08
mon
mon
Day
73°F
NW 3 mph
Precip.
21%
21%
Night
68°F
SW 2 mph
Precip.
59%
59%
01.09
tue
tue
Day
72°F
N 6 mph
Precip.
20%
20%
Night
59°F
N 4 mph
Precip.
50%
50%
sea water
temperature
temperature
| Guaratuba |
monthly
weather
weather
| Guaratuba |
current
weather
weather
| Guaratuba |
14 days
forecast
forecast
| Guaratuba |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 67.4°F. The highest and lowest sea temperatures during the month were 68.9°F and 66.2°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.1°F. The highest and lowest sea temperatures during the month were 70.5°F and 65.8°F.
Air temperature in Guaratuba, °F
Precipitation total in Guaratuba, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Guaratuba
Guaratuba on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Guaratuba
Local time: 01:48
August 26, wednesday
0300
61°F
E
2 mph
2 mph
0600
59°F
SE
2 mph
2 mph
0900
64°F
E
1 mph
1 mph
1200
73°F
W
3 mph
3 mph
1500
66°F
NW
3 mph
3 mph
1800
64°F
N
1 mph
1 mph
2100
64°F
NE
2 mph
2 mph
August 27, thursday
0000
64°F
SE
2 mph
2 mph
