Measurements:
°C
°F
Copenhagen
30°F
NW 15 mph
Feels like: 18°F
Precip: 0%
World Resorts Denmark Copenhagen Weather

Copenhagen Sea Water Temperature

Current Sea Water Temperature:
+34.4°F
Maximum Sea Water Temperature in January: 41.6°F
Minimum Sea Water Temperature in January: 30.2°F
Average water temperature in January: 36.2°F

Sea Water Temperature for the Last 10 Days:

January 12 34.4°F January 07 37.4°F
January 11 35.8°F January 06 36.8°F
January 10 35.6°F January 05 38.0°F
January 09 36.2°F January 04 39.2°F
January 08 36.6°F January 03 38.2°F

When is the Warmest Sea for Copenhagen?

According to our data for the last three years for Copenhagen the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Copenhagen was 66.2°F. The maximum and minimum values were 63.2°F and 68.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Copenhagen was 66.7°F. The maximum and minimum values were 63.8°F and 70.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Copenhagen was 63.9°F. The maximum and minimum values were 59.0°F and 67.4°F respectively.

Best Time to Visit Copenhagen
The most sunny months:
May 12 days
June 12 days
August 12 days
The most warm months:
July 70.9 °F
August 70.5 °F
June 67.5 °F
Warmest sea temperature:
August 66.4 °F
July 65.6 °F
September 62.6 °F
The most cold months:
January 36.6 °F
February 36.9 °F
December 40.3 °F
The most rainy months:
July 4 days
August 4 days
December 3 days
The most windy months:
December 14 mph
January 14 mph
February 12 mph

Copenhagen on the Weather Map

Denmark Resorts:
NAME
Aalborg +28
Aarhus +30
Copenhagen +30
Esbjerg +30
Frederikshavn +30
Herning +26
Odense +28
24 Hours Weather Forecast
Copenhagen
Local time: 12:18
12 jan, monday
1500 32°F
NW
16 mph
1800 32°F
NW
19 mph
2100 32°F
NW
22 mph
13 jan, tuesday
0000 30°F
NW
22 mph
0300 30°F
NW
19 mph
0600 30°F
NW
17 mph
0900 32°F
NW
18 mph
1200 32°F
NW
17 mph