Measurements:
°C
°F
Guaratuba
52°F
SE 2 mph
Feels like: 52°F
Precip: 22%
World Resorts Brazil Guaratuba Weather

7 Day Weather Forecast

07.08
wed
DAY
68°F
W 2 mph
precip
2%
NIGHT
50°F
SE 2 mph
precip
21%
07.09
thu
DAY
72°F
W 2 mph
precip
2%
NIGHT
52°F
SE 2 mph
precip
19%
07.10
fri
DAY
78°F
W 2 mph
precip
2%
NIGHT
58°F
NE 3 mph
precip
44%
07.11
sat
DAY
64°F
S 2 mph
precip
50%
NIGHT
60°F
SE 2 mph
precip
44%
07.12
sun
DAY
72°F
SW 1 mph
precip
58%
NIGHT
66°F
N 3 mph
precip
81%
07.13
mon
DAY
68°F
N 4 mph
precip
46%
NIGHT
62°F
NE 2 mph
precip
33%
07.14
tue
DAY
68°F
NW 1 mph
precip
25%
NIGHT
62°F
SE 2 mph
precip
33%

Guaratuba Sea Water Temperature in July, °F

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Guaratuba was 18.8°F. The maximum and minimum values were 17.9°F and 19.5°F respectively.

Guaratuba on the Weather Map

Best Time to Visit Guaratuba
The most sunny months:
July 10 days
June 7 days
May 7 days
The most warm months:
February 86.2 °F
January 85.1 °F
March 84.6 °F
Warmest sea temperature:
February 85.5 °F
March 84.5 °F
January 84.0 °F
The most cold months:
July 70.6 °F
August 71.8 °F
June 72.2 °F
The most rainy months:
January 7 days
October 7 days
February 6 days
The most windy months:
December 4 mph
November 4 mph
January 4 mph