All data are in degrees Fahrenheit

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Water temperature in Joinville

Detailed information about the current water temperature in Joinville. 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 Joinville now

82.8

°F

February 26, 17:52

Trend:

stable

Yesterday:

82.8°F

Tomorrow:

83.0°F

Sunrise:

06:07

Sunset:

18:49

Day Length:

12 h. 42 min.

Joinville in March

Minimum:

77.8°F

Average:

79.7°F

Maximum:

82.0°F

Sea water temperature in Joinville today

As of now, in Joinville, the water temperature is 82.8°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 1.6°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 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 83.4°F on 2025, while the historical minimum was 79.9°F on 2020.

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 suggests a gradual increase. The average temperature is expected to rise up to 83.2°F, with minimum temperature starting at 82.9°F, while the maximum might reach 83.5°F.

Daily water temperature in Joinville

Date Current Year

actual* / forecast**

last year 10 years average
Feb 12 82.5°F 82.1°F 81.2°F
Feb 13 83.3°F 81.8°F 81.2°F
Feb 14 83.6°F 81.5°F 81.1°F
Feb 15 83.8°F 81.4°F 81.0°F
Feb 16 83.6°F 81.5°F 81.0°F
Feb 17 84.3°F 82.0°F 81.0°F
Feb 18 84.7°F 81.9°F 81.0°F
Feb 19 84.8°F 82.0°F 81.2°F
Feb 20 84.3°F 82.0°F 81.3°F
Feb 21 83.9°F 82.5°F 81.3°F
Feb 22 83.7°F 82.9°F 81.2°F
Feb 23 83.2°F 83.0°F 81.2°F
Feb 24 82.5°F 83.2°F 81.2°F
Feb 25 82.8°F 83.2°F 81.2°F
Feb 26 82.8°F 83.4°F 81.1°F
Feb 27 83.0°F 84.0°F 81.4°F
Feb 28 83.3°F 84.5°F 81.6°F
Mar 1 83.5°F 84.3°F 81.5°F
Mar 2 83.3°F 84.6°F 81.4°F
Mar 3 83.2°F 84.4°F 81.2°F
Mar 4 83.1°F 85.3°F 81.1°F
Mar 5 82.9°F 85.0°F 81.0°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 Joinville by month

In Joinville, the months November through April offer comfortable swimming conditions, which amounts to 177 swimming days.
The warmest water in Joinville was recorded on March 4, 2025, reaching a 85.3°F. While the coldest temperature occurred on July 24, 2016, dipping to 62.3°F. The average readings by season are 79.5°F in Winter, 76.6°F in Spring, 66.5°F in Summer, and 70.6°F in Autumn.