All data are in degrees Fahrenheit

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Water temperature in Sønderborg

Detailed information about the current water temperature in Sønderborg. 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 Sønderborg now

65.1

°F

July 5, 03:55

Trend:

decreasing

Yesterday:

65.2°F

Tomorrow:

64.4°F

Sunrise:

04:50

Sunset:

22:00

Day Length:

17 h. 10 min.

Sønderborg in July

Minimum:

34.5°F

Average:

39.1°F

Maximum:

43.4°F

Sea water temperature in Sønderborg today

As of now, in Sønderborg, the water temperature is 65.1°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 1.4°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

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 67.0°F on 2020, while the historical minimum was 59.5°F on 2025.

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. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 64.2°F, the minimum temperature may reach 63.7°F, and the maximum might stay at 64.8°F.

Daily water temperature in Sønderborg

Date Current Year

actual* / forecast**

last year 10 years average
Jun 21 61.3°F 59.8°F 62.5°F
Jun 22 61.0°F 59.9°F 62.4°F
Jun 23 62.0°F 61.4°F 62.1°F
Jun 24 63.3°F 60.9°F 62.7°F
Jun 25 62.7°F 60.4°F 62.9°F
Jun 26 65.3°F 60.6°F 63.5°F
Jun 27 68.8°F 60.9°F 64.2°F
Jun 28 68.3°F 60.2°F 64.2°F
Jun 29 70.5°F 60.6°F 64.6°F
Jun 30 71.1°F 60.7°F 64.7°F
Jul 1 69.9°F 61.4°F 65.0°F
Jul 2 68.7°F 62.2°F 64.7°F
Jul 3 68.4°F 63.5°F 64.7°F
Jul 4 65.2°F 61.6°F 63.8°F
Jul 5 65.1°F 59.5°F 63.7°F
Jul 6 64.4°F 61.2°F 63.0°F
Jul 7 64.0°F 60.6°F 62.5°F
Jul 8 63.7°F 61.5°F 62.3°F
Jul 9 64.1°F 61.0°F 62.7°F
Jul 10 64.0°F 61.4°F 62.6°F
Jul 11 64.1°F 61.5°F 62.7°F
Jul 12 64.8°F 62.2°F 63.4°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 Sønderborg by month

In an average year, Sønderborg offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Sønderborg was recorded on July 28, 2018, reaching a 72.9°F. While the coldest temperature occurred on January 23, 2016, dipping to 32.0°F. The average readings by season are 38.9°F in Winter, 45.1°F in Spring, 63.6°F in Summer, and 56.1°F in Autumn.