What is the current water temperature in Joinville?

As of now, in Joinville, the water temperature is 25.39°C. It's safe to say that the water is comfortably warm for various water-related activities.

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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.

77.7

°F

December 25, 13:50

Trend:

increasing

Yesterday:

77.6°F

Tomorrow:

77.8°F

Sunrise:

06:22

Sunset:

20:09

Day Length:

13 h. 47 min.

Joinville in January

Minimum:

78.0°F

Average:

79.6°F

Maximum:

81.2°F

Sea water temperature in Joinville today

As of now, in Joinville, the water temperature is 77.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.5°F lower 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

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 80.2°F on 2023, while the historical minimum was 76.9°F on 2022.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 78.3°F, with minimum temperature starting at 77.8°F, while the maximum might reach 79.0°F.

Daily water temperature in Joinville

Date	Current Year actual* / forecast**	last year	10 years average
Jan 1	79.0°F	78.0°F	79.6°F
Dec 11	76.2°F	76.5°F	76.6°F
Dec 12	77.0°F	76.6°F	76.7°F
Dec 13	76.8°F	76.5°F	76.6°F
Dec 14	76.9°F	76.5°F	76.8°F
Dec 15	77.0°F	76.2°F	76.8°F
Dec 16	77.1°F	76.8°F	76.9°F
Dec 17	77.4°F	76.7°F	77.1°F
Dec 18	77.5°F	76.8°F	77.2°F
Dec 19	77.4°F	76.9°F	77.2°F
Dec 20	77.4°F	77.3°F	77.2°F
Dec 21	77.5°F	77.8°F	77.5°F
Dec 22	77.5°F	77.8°F	77.6°F
Dec 23	77.6°F	77.7°F	77.8°F
Dec 24	77.6°F	77.7°F	78.1°F
Dec 25	77.7°F	77.7°F	78.2°F
Dec 26	77.8°F	77.8°F	78.4°F
Dec 27	78.0°F	78.0°F	78.6°F
Dec 28	78.1°F	77.9°F	78.7°F
Dec 29	78.3°F	77.7°F	78.8°F
Dec 30	78.3°F	77.8°F	78.9°F
Dec 31	78.7°F	77.7°F	79.2°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, 66.6°F in Summer, and 70.6°F in Autumn.