Measurements:
°C
°F
CURRENT WEATHER
17:24
Ilhabela
66°F
W 6 mph
Feels like: 66°F
Precip: 100%
World Resorts Brazil Ilhabela Weather

7 Day Weather Forecast

05.22
fri
DAY
68°F
NW 1 mph
precip
65%
NIGHT
66°F
SW 6 mph
precip
68%
05.23
sat
DAY
72°F
NE 6 mph
precip
100%
NIGHT
68°F
E 2 mph
precip
100%
05.24
sun
DAY
72°F
NE 5 mph
precip
100%
NIGHT
70°F
NE 2 mph
precip
100%
05.25
mon
DAY
74°F
N 3 mph
precip
76%
NIGHT
72°F
SW 4 mph
precip
0%
05.26
tue
DAY
80°F
W 3 mph
precip
0%
NIGHT
70°F
S 7 mph
precip
75%
05.27
wed
DAY
70°F
NE 9 mph
precip
100%
NIGHT
68°F
NE 4 mph
precip
100%
05.28
thu
DAY
74°F
N 3 mph
precip
100%
NIGHT
64°F
SW 4 mph
precip
66%

Ilhabela Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Ilhabela was 24.4°F. The maximum and minimum values were 23.6°F and 25.3°F respectively.

Ilhabela on the Weather Map

Best Time to Visit Ilhabela
The most sunny months:
July 18 days
August 16 days
June 15 days
The most warm months:
March 84.3 °F
February 84.2 °F
January 83.6 °F
Warmest sea temperature:
February 84.9 °F
March 83.6 °F
January 83.2 °F
The most cold months:
June 75.2 °F
July 75.2 °F
May 76.5 °F
The most rainy months:
December 7 days
January 7 days
February 6 days
The most windy months:
October 5 mph
September 5 mph
November 4 mph
more details