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

65.2

°F

August 18, 15:30

Trend:

stable

Yesterday:

65.1°F

Tomorrow:

65.0°F

Sunrise:

06:42

Sunset:

17:57

Day Length:

11 h. 15 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 65.2°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is about the same as 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

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. 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 67.2°F on 2017, while the historical minimum was 63.9°F on 2024.

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 maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 65.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Joinville

Date Current Year

actual* / forecast**

last year 10 years average
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 65.2°F 66.2°F
Aug 12 66.7°F 64.1°F 65.9°F
Aug 13 66.8°F 64.3°F 65.9°F
Aug 14 65.9°F 64.0°F 65.7°F
Aug 15 65.6°F 64.0°F 65.6°F
Aug 16 65.1°F 64.1°F 65.4°F
Aug 17 65.1°F 63.8°F 65.3°F
Aug 18 65.2°F 63.9°F 65.3°F
Aug 19 65.0°F 63.8°F 65.2°F
Aug 20 65.2°F 64.0°F 65.4°F
Aug 21 65.2°F 64.3°F 65.3°F
Aug 22 65.2°F 64.5°F 65.4°F
Aug 23 65.3°F 64.4°F 65.5°F
Aug 24 65.4°F 64.5°F 65.5°F
Aug 25 65.6°F 64.7°F 65.7°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 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.