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

70.3

°F

October 17, 08:47

Trend:

stable

Yesterday:

70.5°F

Tomorrow:

70.5°F

Sunrise:

05:36

Sunset:

18:23

Day Length:

12 h. 47 min.

Florianópolis in October

Minimum:

76.2°F

Average:

78.3°F

Maximum:

81.4°F

Sea water temperature in Florianópolis today

As of now, in Florianópolis, the water temperature is 70.3°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.4°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 70.5°F on 2019, while the historical minimum was 67.5°F on 2022.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 70.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Florianópolis

Date Current Year

actual* / forecast**

last year 10 years average
Oct 3 66.7°F 70.5°F 68.6°F
Oct 4 66.9°F 70.3°F 68.6°F
Oct 5 67.3°F 70.2°F 68.4°F
Oct 6 68.8°F 68.8°F 68.3°F
Oct 7 68.7°F 68.8°F 68.1°F
Oct 8 68.7°F 69.1°F 68.1°F
Oct 9 68.5°F 68.9°F 68.2°F
Oct 10 68.5°F 68.9°F 68.2°F
Oct 11 68.6°F 69.0°F 68.4°F
Oct 12 68.5°F 69.9°F 68.5°F
Oct 13 68.6°F 70.2°F 68.6°F
Oct 14 70.1°F 69.8°F 69.0°F
Oct 15 70.3°F 70.0°F 69.1°F
Oct 16 70.5°F 68.8°F 69.1°F
Oct 17 70.3°F 68.5°F 69.0°F
Oct 18 70.5°F 69.9°F 69.1°F
Oct 19 70.4°F 69.9°F 69.0°F
Oct 20 70.4°F 69.8°F 69.0°F
Oct 21 70.6°F 70.1°F 69.2°F
Oct 22 70.8°F 72.2°F 69.4°F
Oct 23 71.2°F 72.7°F 69.8°F
Oct 24 71.0°F 72.9°F 69.7°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 164 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 77.8°F in Winter, 74.8°F in Spring, 65.4°F in Summer, and 69.3°F in Autumn.