Measurements:
°C
°F
Copenhagen
38°F
NE 8 mph
Feels like: 32°F
Precip: 0%
World Resorts Denmark Copenhagen Weather

Copenhagen Sea Water Temperature

Current Sea Water Temperature:
+39.0°F
Maximum Sea Water Temperature in March: 43.8°F
Minimum Sea Water Temperature in March: 28.8°F
Average water temperature in March: 36.0°F

Sea Water Temperature for the Last 10 Days:

March 30 39.0°F March 25 35.6°F
March 29 38.2°F March 24 35.6°F
March 28 39.0°F March 23 36.8°F
March 27 38.0°F March 22 36.8°F
March 26 38.8°F March 21 36.6°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 36.2 °F
February 36.5 °F
December 40.3 °F
The most rainy months:
July 4 days
August 4 days
December 3 days
The most windy months:
January 14 mph
December 14 mph
February 13 mph

Copenhagen on the Weather Map

Denmark Resorts:
NAME
Aalborg +40
Aarhus +38
Copenhagen +38
Esbjerg +40
Frederikshavn +40
Herning +38
Odense +38
24 Hours Weather Forecast
Copenhagen
Local time: 10:04
30 mar, monday
1200 42°F
E
11 mph
1500 44°F
SE
11 mph
1800 44°F
E
11 mph
2100 40°F
SE
13 mph
31 mar, tuesday
0000 40°F
E
16 mph
0300 40°F
E
15 mph
0600 38°F
E
14 mph
0900 40°F
E
8 mph