What is the current water temperature in Joinville?

Q: What is the current water temperature in Joinville?

As of now, in Joinville, the water temperature is 18.06°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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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.

64.5

°F

July 14, 06:35

Trend:

increasing

Yesterday:

64.5°F

Tomorrow:

64.7°F

Sunrise:

07:02

Sunset:

17:40

Day Length:

10 h. 38 min.

Joinville in July

Minimum:

78.3°F

Average:

80.0°F

Maximum:

82.6°F

Sea water temperature in Joinville today

As of now, in Joinville, the water temperature is 64.5°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 0.9°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

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 66.8°F on 2017, while the historical minimum was 63.9°F on 2016.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 64.7°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
Jun 30	67.3°F	68.8°F	67.2°F
Jul 1	67.2°F	68.6°F	67.2°F
Jul 2	67.0°F	67.8°F	67.0°F
Jul 3	66.8°F	67.1°F	66.8°F
Jul 4	66.7°F	67.4°F	66.7°F
Jul 5	66.5°F	67.0°F	66.6°F
Jul 6	66.3°F	66.8°F	66.5°F
Jul 7	66.0°F	66.5°F	66.1°F
Jul 8	65.5°F	66.2°F	65.9°F
Jul 9	65.3°F	66.0°F	65.7°F
Jul 10	65.1°F	65.8°F	65.6°F
Jul 11	64.9°F	65.3°F	65.4°F
Jul 12	64.6°F	65.1°F	65.3°F
Jul 13	64.5°F	64.9°F	65.3°F
Jul 14	64.5°F	64.7°F	65.4°F
Jul 15	64.7°F	64.8°F	65.5°F
Jul 16	64.7°F	64.8°F	65.6°F
Jul 17	64.8°F	64.9°F	65.6°F
Jul 18	64.9°F	65.4°F	65.8°F
Jul 19	64.9°F	65.4°F	65.8°F
Jul 20	64.7°F	65.0°F	65.5°F
Jul 21	64.5°F	64.6°F	65.4°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.