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

73.7

°F

May 9, 18:42

Trend:

decreasing

Yesterday:

73.7°F

Tomorrow:

73.7°F

Sunrise:

06:43

Sunset:

17:40

Day Length:

10 h. 57 min.

Joinville in May

Minimum:

78.2°F

Average:

80.1°F

Maximum:

83.0°F

Sea water temperature in Joinville today

As of now, in Joinville, the water temperature is 73.7°F. It's safe to say that the water is comfortably warm for various water-related activities. 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 stay about the same.

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 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 75.8°F on 2018, while the historical minimum was 72.2°F on 2015.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 73.3°F, the minimum temperature may reach 73.0°F, and the maximum might stay at 73.7°F.

Daily water temperature in Joinville

Date Current Year

actual* / forecast**

last year 10 years average
Apr 25 75.5°F 76.1°F 76.0°F
Apr 26 75.1°F 76.0°F 76.0°F
Apr 27 75.3°F 75.9°F 76.0°F
Apr 28 75.2°F 75.6°F 75.7°F
Apr 29 75.0°F 75.1°F 75.3°F
Apr 30 74.7°F 74.8°F 75.0°F
May 1 74.5°F 75.4°F 74.7°F
May 2 74.5°F 75.4°F 74.5°F
May 3 74.2°F 75.2°F 74.3°F
May 4 73.7°F 74.9°F 74.0°F
May 5 73.9°F 75.7°F 74.1°F
May 6 74.0°F 75.2°F 74.0°F
May 7 73.9°F 74.9°F 73.9°F
May 8 73.7°F 74.9°F 73.7°F
May 9 73.7°F 74.9°F 73.6°F
May 10 73.7°F 74.9°F 73.6°F
May 11 73.4°F 74.7°F 73.4°F
May 12 73.3°F 74.5°F 73.2°F
May 13 73.1°F 74.4°F 73.1°F
May 14 73.1°F 74.4°F 73.0°F
May 15 73.3°F 75.7°F 73.2°F
May 16 73.0°F 75.3°F 73.0°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 176 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 79.4°F in Winter, 76.6°F in Spring, 66.7°F in Summer, and 70.6°F in Autumn.