Measurements:
°C
°F
Itanhaem
66°F
W 3 mph
Feels like: 66°F
Precip: 27%
World Resorts Brazil Itanhaem Weather

Itanhaem Sea Water Temperature

Current Sea Water Temperature:
+72.4°F
Maximum Sea Water Temperature in September: 78.0°F
Minimum Sea Water Temperature in September: 69.2°F
Average water temperature in September: 72.2°F

Sea Water Temperature for the Last 10 Days:

September 08 72.4°F September 03 72.4°F
September 07 72.0°F September 02 72.2°F
September 06 72.6°F September 01 73.4°F
September 05 72.8°F August 31 73.8°F
September 04 72.4°F August 30 73.4°F

When is the Warmest Sea for Itanhaem?

According to our data for the last three years for Itanhaem 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 Itanhaem was 86.3°F. The maximum and minimum values were 84.2°F and 88.4°F respectively.

Sea Water Temperature in March

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Itanhaem was 83.4°F. The maximum and minimum values were 81.0°F and 85.0°F respectively.

Sea Water Temperature in January

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Itanhaem was 85.2°F. The maximum and minimum values were 82.6°F and 87.4°F respectively.

Best Time to Visit Itanhaem
The most sunny months:
July 17 days
May 15 days
August 15 days
The most warm months:
February 85.8 °F
January 85.0 °F
March 85.0 °F
Warmest sea temperature:
February 85.3 °F
March 83.9 °F
January 83.7 °F
The most cold months:
July 74.8 °F
August 75.1 °F
June 75.9 °F
The most rainy months:
February 7 days
January 7 days
December 6 days
The most windy months:
October 6 mph
December 5 mph
September 5 mph

Itanhaem on the Weather Map

24 Hours Weather Forecast
Itanhaem
Local time: 17:49
08 sep, tuesday
1800 66°F
W
3 mph
2100 66°F
W
3 mph
09 sep, wednesday
0000 66°F
S
2 mph
0300 64°F
SE
2 mph
0600 64°F
E
1 mph
0900 66°F
NE
2 mph
1200 66°F
W
2 mph
1500 68°F
W
4 mph