Measurements:
°C
°F
Florianopolis
74°F
SE 3 mph
Feels like: 80°F
Precip: 73%
World Resorts Brazil Florianopolis Weather

Florianopolis Sea Water Temperature

Current Sea Water Temperature:
+84.8°F
Maximum Sea Water Temperature in February: 87.0°F
Minimum Sea Water Temperature in February: 78.2°F
Average water temperature in February: 82.2°F

Sea Water Temperature for the Last 10 Days:

February 24 84.8°F February 19 86.2°F
February 23 85.4°F February 18 85.4°F
February 22 84.8°F February 17 85.8°F
February 21 83.6°F February 16 85.8°F
February 20 84.2°F February 15 85.0°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 84.9°F. The maximum and minimum values were 82.8°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: 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 85.7 °F
March 83.6 °F
Warmest sea temperature:
February 82.2 °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

Brazil Resorts:
NAME
Angra dos Reis +76
Buzios +78
Florianopolis +74
Fortaleza +82
Joao Pessoa +82
Maceio +82
Natal +82
Porto Alegre +80
Recife +82
Rio de Janeiro +78
Rio Grande +74
Salvador +84
Santos +78
Sao Paulo +72
Sao Sebastiao +78
24 Hours Weather Forecast
Florianopolis
Local time: 00:10
25 feb, wednesday
0300 74°F
SE
2 mph
0600 74°F
SE
3 mph
0900 80°F
SE
4 mph
1200 88°F
SW
4 mph
1500 84°F
NW
3 mph
1800 80°F
N
7 mph
2100 78°F
N
6 mph
26 feb, thursday
0000 76°F
NE
5 mph