Measurements:
°C
°F
Guaratuba
64°F
E 2 mph
Feels like: 64°F
Precip: 43%
World Resorts Brazil Guaratuba Weather

7 Day Weather Forecast

07.29
wed
DAY
76°F
NE 3 mph
precip
7%
NIGHT
64°F
N 3 mph
precip
30%
07.30
thu
DAY
72°F
NW 3 mph
precip
20%
NIGHT
66°F
N 1 mph
precip
41%
07.31
fri
DAY
68°F
W 1 mph
precip
45%
NIGHT
68°F
SW 1 mph
precip
49%
08.01
sat
DAY
82°F
W 3 mph
precip
3%
NIGHT
66°F
NE 3 mph
precip
14%
08.02
sun
DAY
82°F
NW 4 mph
precip
3%
NIGHT
62°F
SE 2 mph
precip
43%
08.03
mon
DAY
78°F
W 4 mph
precip
12%
NIGHT
62°F
SE 2 mph
precip
22%
08.04
tue
DAY
78°F
W 4 mph
precip
5%
NIGHT
64°F
S 1 mph
precip
19%

Guaratuba Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Guaratuba was 18.4°F. The maximum and minimum values were 17.3°F and 19.8°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 71.1 °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