Measurements:
°C
°F
Florianopolis
70°F
S 5 mph
Feels like: 70°F
Precip: 12%
World Resorts Brazil Florianopolis Weather

Florianopolis Sea Water Temperature

Current Sea Water Temperature:
+67.2°F
Maximum Sea Water Temperature in August: 71.2°F
Minimum Sea Water Temperature in August: 61.8°F
Average water temperature in August: 66.2°F

Sea Water Temperature for the Last 10 Days:

August 18 67.2°F August 13 67.2°F
August 17 65.2°F August 12 66.4°F
August 16 65.0°F August 11 66.6°F
August 15 65.4°F August 10 67.8°F
August 14 66.2°F August 09 68.2°F

When is the Warmest Sea for Florianopolis?

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

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 Florianopolis was 84.8°F. The maximum and minimum values were 82.0°F and 86.2°F respectively.

Sea Water Temperature in January

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Florianopolis was 81.8°F. The maximum and minimum values were 78.2°F and 84.2°F respectively.

Sea Water Temperature in March

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Florianopolis was 83.1°F. The maximum and minimum values were 80.4°F and 85.0°F respectively.

Best Time to Visit Florianopolis
The most sunny months:
July 16 days
August 15 days
June 14 days
The most warm months:
February 86.1 °F
January 85.7 °F
March 83.7 °F
Warmest sea temperature:
February 82.2 °F
January 81.7 °F
March 80.9 °F
The most cold months:
July 69.3 °F
June 70.0 °F
August 70.4 °F
The most rainy months:
January 7 days
February 7 days
December 6 days
The most windy months:
November 7 mph
October 7 mph
September 7 mph

Florianopolis on the Weather Map

24 Hours Weather Forecast
Florianopolis
Local time: 07:37
18 aug, tuesday
0900 70°F
S
5 mph
1200 76°F
S
8 mph
1500 76°F
SW
9 mph
1800 70°F
NW
4 mph
2100 68°F
S
1 mph
19 aug, wednesday
0000 68°F
S
2 mph
0300 66°F
W
2 mph
0600 64°F
SE
1 mph