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

66.9

°F

August 11, 15:13

Trend:

decreasing

Yesterday:

67.5°F

Tomorrow:

66.6°F

Sunrise:

06:48

Sunset:

17:54

Day Length:

11 h. 6 min.

Joinville in August

Minimum:

78.5°F

Average:

80.1°F

Maximum:

82.9°F

Sea water temperature in Joinville today

As of now, in Joinville, the water temperature is 66.9°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 0.8°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 fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 67.8°F on 2023, while the historical minimum was 64.2°F on 2016.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 66.4°F, the minimum temperature may reach 66.1°F, and the maximum might stay at 66.6°F.

Daily water temperature in Joinville

Date Current Year

actual* / forecast**

last year 10 years average
Jul 28 66.3°F 64.8°F 65.1°F
Jul 29 66.5°F 65.2°F 65.3°F
Jul 30 65.6°F 65.4°F 65.2°F
Jul 31 66.1°F 64.7°F 65.1°F
Aug 1 66.2°F 64.0°F 65.0°F
Aug 2 66.0°F 63.9°F 65.0°F
Aug 3 66.4°F 64.2°F 65.1°F
Aug 4 66.0°F 64.3°F 65.2°F
Aug 5 66.7°F 64.5°F 65.4°F
Aug 6 66.0°F 64.8°F 65.7°F
Aug 7 66.8°F 64.8°F 65.8°F
Aug 8 67.1°F 65.1°F 66.1°F
Aug 9 67.8°F 65.3°F 66.3°F
Aug 10 67.5°F 65.3°F 66.3°F
Aug 11 66.9°F 65.1°F 66.1°F
Aug 12 66.6°F 64.1°F 65.8°F
Aug 13 66.6°F 64.3°F 65.8°F
Aug 14 66.5°F 64.0°F 65.7°F
Aug 15 66.4°F 64.0°F 65.6°F
Aug 16 66.2°F 64.1°F 65.4°F
Aug 17 66.2°F 63.8°F 65.4°F
Aug 18 66.1°F 63.9°F 65.3°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, 76.7°F in Spring, 66.5°F in Summer, and 70.6°F in Autumn.