All data are in degrees Fahrenheit

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Water temperature in Florianópolis

Detailed information about the current water temperature in Florianópolis. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Florianópolis now

79.8

°F

April 1, 12:38

Trend:

stable

Yesterday:

79.5°F

Tomorrow:

79.4°F

Sunrise:

06:24

Sunset:

18:12

Day Length:

11 h. 48 min.

Florianópolis in April

Minimum:

76.6°F

Average:

77.9°F

Maximum:

80.5°F

Sea water temperature in Florianópolis today

As of now, in Florianópolis, the water temperature is 79.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.6°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 79.2°F on 2025, while the historical minimum was 75.6°F on 2022.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 79.2°F, the minimum temperature may reach 78.8°F, and the maximum might stay at 79.6°F.

Daily water temperature in Florianópolis

Date Current Year

actual* / forecast**

last year 10 years average
Mar 18 81.0°F 75.4°F 78.5°F
Mar 19 81.1°F 76.3°F 78.4°F
Mar 20 81.3°F 75.9°F 78.5°F
Mar 21 80.7°F 75.7°F 78.5°F
Mar 22 79.8°F 76.0°F 78.4°F
Mar 23 79.5°F 75.4°F 78.2°F
Mar 24 80.4°F 76.1°F 78.1°F
Mar 25 79.8°F 76.4°F 77.9°F
Mar 26 79.6°F 75.5°F 77.6°F
Mar 27 80.5°F 76.4°F 77.6°F
Mar 28 81.1°F 76.6°F 77.4°F
Mar 29 81.4°F 77.2°F 77.5°F
Mar 30 80.9°F 76.8°F 77.4°F
Mar 31 79.5°F 77.9°F 77.3°F
Apr 1 79.8°F 79.2°F 77.2°F
Apr 2 79.4°F 78.3°F 76.8°F
Apr 3 79.6°F 79.1°F 77.0°F
Apr 4 79.3°F 78.7°F 76.7°F
Apr 5 79.3°F 77.5°F 76.7°F
Apr 6 78.9°F 76.6°F 76.3°F
Apr 7 78.9°F 76.0°F 76.3°F
Apr 8 78.8°F 76.0°F 76.2°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Florianópolis by month

In Florianópolis, the months December through April offer comfortable swimming conditions, which amounts to 159 swimming days.
The warmest water in Florianópolis was recorded on February 6, 2025, reaching a 83.4°F. While the coldest temperature occurred on June 14, 2016, dipping to 59.3°F. The average readings by season are 77.9°F in Winter, 74.9°F in Spring, 65.2°F in Summer, and 69.3°F in Autumn.