17.05
sun
sun
Day
70°F
SE 4 mph
Precip.
100%
100%
Night
68°F
N 3 mph
Precip.
100%
100%
18.05
mon
mon
Day
64°F
NE 2 mph
Precip.
100%
100%
Night
63°F
E 2 mph
Precip.
100%
100%
19.05
tue
tue
Day
66°F
NW 4 mph
Precip.
100%
100%
Night
61°F
E 2 mph
Precip.
78%
78%
20.05
wed
wed
Day
72°F
NW 4 mph
Precip.
75%
75%
Night
59°F
NE 2 mph
Precip.
78%
78%
21.05
thu
thu
Day
64°F
NW 2 mph
Precip.
100%
100%
Night
61°F
NE 2 mph
Precip.
100%
100%
22.05
fri
fri
Day
59°F
N 4 mph
Precip.
100%
100%
Night
55°F
E 2 mph
Precip.
100%
100%
23.05
sat
sat
Day
61°F
NE 2 mph
Precip.
80%
80%
Night
61°F
NE 4 mph
Precip.
100%
100%
24.05
sun
sun
Day
72°F
N 2 mph
Precip.
81%
81%
Night
63°F
NE 2 mph
Precip.
0%
0%
25.05
mon
mon
Day
75°F
N 1 mph
Precip.
0%
0%
Night
63°F
SE 2 mph
Precip.
100%
100%
26.05
tue
tue
Day
68°F
E 2 mph
Precip.
0%
0%
Night
66°F
N 6 mph
Precip.
100%
100%
27.05
wed
wed
Day
63°F
N 4 mph
Precip.
100%
100%
Night
61°F
N 2 mph
Precip.
100%
100%
28.05
thu
thu
Day
63°F
NE 3 mph
Precip.
100%
100%
Night
63°F
W 3 mph
Precip.
100%
100%
29.05
fri
fri
Day
63°F
W 3 mph
Precip.
100%
100%
Night
63°F
SW 2 mph
Precip.
100%
100%
30.05
sat
sat
Day
64°F
S 1 mph
Precip.
100%
100%
Night
63°F
SE 1 mph
Precip.
100%
100%
sea water
temperature
temperature
| Guaratuba |
monthly
weather
weather
| Guaratuba |
current
weather
weather
| Guaratuba |
7 days
forecast
forecast
| Guaratuba |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 73.9°F. The highest and lowest sea temperatures during the month were 77.4°F and 71.1°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: 07:03
May 17, sunday
0900
66°F
S
5 mph
5 mph
1200
70°F
SE
4 mph
4 mph
1500
77°F
SE
4 mph
4 mph
1800
70°F
S
2 mph
2 mph
2100
66°F
N
3 mph
3 mph
May 18, monday
0000
68°F
N
3 mph
3 mph
0300
66°F
N
5 mph
5 mph
0600
64°F
NE
3 mph
3 mph
