Measurements:
°C
°F
Ilhabela
82°F
S 2 mph
Feels like: 84°F
Precip: 2%
World Resorts Brazil Ilhabela Weather

Ilhabela Sea Water Temperature

Current Sea Water Temperature:
+73.8°F
Maximum Sea Water Temperature in August: 77.4°F
Minimum Sea Water Temperature in August: 69.2°F
Average water temperature in August: 72.9°F

Sea Water Temperature for the Last 10 Days:

August 18 73.8°F August 13 73.4°F
August 17 72.6°F August 12 73.6°F
August 16 72.4°F August 11 74.2°F
August 15 72.6°F August 10 74.8°F
August 14 72.8°F August 09 74.2°F

When is the Warmest Sea for Ilhabela?

According to our data for the last three years for Ilhabela the highest average sea water temperature was in February, March and January.

Average Water Temperature by Month, °F

Sea Water Temperature in February

Select Year: 2026 2025 2024

The average sea surface temperature in February 2026 for Ilhabela was 86.4°F. The maximum and minimum values were 84.6°F and 88.6°F respectively.

Sea Water Temperature in March

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Ilhabela was 83.2°F. The maximum and minimum values were 81.0°F and 84.8°F respectively.

Sea Water Temperature in January

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Ilhabela was 85.0°F. The maximum and minimum values were 83.4°F and 86.2°F respectively.

Best Time to Visit Ilhabela
The most sunny months:
July 18 days
August 16 days
September 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 74.9 °F
July 75.2 °F
May 76.4 °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

Ilhabela on the Weather Map

24 Hours Weather Forecast
Ilhabela
Local time: 07:39
18 aug, tuesday
0900 82°F
S
2 mph
1200 86°F
N
4 mph
1500 88°F
NW
2 mph
1800 72°F
SW
6 mph
2100 72°F
SW
7 mph
19 aug, wednesday
0000 72°F
S
7 mph
0300 72°F
S
6 mph
0600 72°F
S
5 mph