What is the current water temperature in Sønderborg?

Q: What is the current water temperature in Sønderborg?

As of now, in Sønderborg, the water temperature is 11.19°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

Denmark > Sønderborg

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.

52.1

°F

May 2, 22:25

Trend:

increasing

Yesterday:

48.8°F

Tomorrow:

52.3°F

Sunrise:

05:40

Sunset:

20:57

Day Length:

15 h. 17 min.

Sønderborg in May

Minimum:

35.0°F

Average:

39.7°F

Maximum:

43.1°F

Sea water temperature in Sønderborg today

As of now, in Sønderborg, the water temperature is 52.1°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 3.9°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 52.9°F on 2025, while the historical minimum was 44.2°F on 2018.

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 53.1°F, with minimum temperature starting at 52.3°F, while the maximum might reach 54.2°F.

Daily water temperature in Sønderborg

Date	Current Year actual* / forecast**	last year	10 years average
Apr 18	43.4°F	47.2°F	44.4°F
Apr 19	44.9°F	46.0°F	45.0°F
Apr 20	44.3°F	45.9°F	45.0°F
Apr 21	45.0°F	45.4°F	45.3°F
Apr 22	44.9°F	44.3°F	45.4°F
Apr 23	45.9°F	46.3°F	45.9°F
Apr 24	46.7°F	48.0°F	46.6°F
Apr 25	46.6°F	47.8°F	46.3°F
Apr 26	47.3°F	48.3°F	46.5°F
Apr 27	47.0°F	49.6°F	46.4°F
Apr 28	46.7°F	50.4°F	46.5°F
Apr 29	48.2°F	50.3°F	46.8°F
Apr 30	48.8°F	51.6°F	47.2°F
May 1	48.8°F	51.9°F	48.0°F
May 2	52.1°F	52.9°F	48.3°F
May 3	52.3°F	52.7°F	48.4°F
May 4	52.5°F	52.1°F	48.6°F
May 5	52.6°F	53.7°F	48.8°F
May 6	53.0°F	52.0°F	49.1°F
May 7	53.2°F	53.2°F	49.4°F
May 8	53.8°F	53.3°F	49.9°F
May 9	54.2°F	53.2°F	50.4°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, 45.0°F in Spring, 63.6°F in Summer, and 56.1°F in Autumn.