Measurements:
°C
°F
Florianopolis
74°F
NW 2 mph
Feels like: 80°F
Precip: 100%
World Resorts Brazil Florianopolis Weather

Florianopolis Sea Water Temperature

Current Sea Water Temperature:
+78.4°F
Maximum Sea Water Temperature in December: 83.6°F
Minimum Sea Water Temperature in December: 73.6°F
Average water temperature in December: 78.0°F

Sea Water Temperature for the Last 10 Days:

December 14 78.4°F December 09 76.4°F
December 13 77.2°F December 08 76.6°F
December 12 78.0°F December 07 75.4°F
December 11 78.0°F December 06 75.4°F
December 10 77.8°F December 05 74.6°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: 2025 2024 2023

The average sea surface temperature in February 2025 for Florianopolis was 84.7°F. The maximum and minimum values were 83.0°F and 87.0°F respectively.

Sea Water Temperature in January

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Florianopolis was 81.4°F. The maximum and minimum values were 78.6°F and 84.4°F respectively.

Sea Water Temperature in March

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Florianopolis was 81.1°F. The maximum and minimum values were 77.8°F and 85.4°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 86.2 °F
January 85.9 °F
March 83.6 °F
Warmest sea temperature:
February 82.1 °F
January 81.7 °F
March 80.8 °F
The most cold months:
July 69.4 °F
June 70.3 °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: 04:44
14 dec, sunday
0600 74°F
NW
2 mph
0900 80°F
NW
4 mph
1200 84°F
W
6 mph
1500 82°F
W
6 mph
1800 76°F
W
3 mph
2100 74°F
E
2 mph
15 dec, monday
0000 72°F
SE
2 mph
0300 70°F
SE
3 mph