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 12.18°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.

53.9

°F

May 9, 22:31

Trend:

stable

Yesterday:

53.1°F

Tomorrow:

53.9°F

Sunrise:

05:26

Sunset:

21:10

Day Length:

15 h. 44 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 53.9°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 3.5°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

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 53.2°F on 2025, while the historical minimum was 45.6°F on 2021.

latest data

last year

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 suggests a gradual increase. The average temperature is expected to rise up to 54.6°F, with minimum temperature starting at 53.0°F, while the maximum might reach 56.1°F.

Daily water temperature in Sønderborg

Date	Current Year actual* / forecast**	last year	10 years average
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	48.7°F
May 3	54.6°F	52.7°F	49.0°F
May 4	52.1°F	52.1°F	48.9°F
May 5	51.9°F	53.7°F	49.1°F
May 6	51.2°F	52.0°F	49.3°F
May 7	52.4°F	53.2°F	49.7°F
May 8	53.1°F	53.3°F	50.2°F
May 9	53.9°F	53.2°F	50.4°F
May 10	53.9°F	53.2°F	50.4°F
May 11	53.0°F	52.2°F	49.4°F
May 12	53.8°F	53.0°F	50.3°F
May 13	54.8°F	55.2°F	51.3°F
May 14	55.3°F	55.9°F	51.8°F
May 15	55.6°F	55.4°F	52.1°F
May 16	56.1°F	54.7°F	52.6°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.