Measurements:
°C
°F
Copenhagen
48°F
SW 6 mph
Feels like: 44°F
Precip: 0%
World Resorts Denmark Copenhagen Weather

Copenhagen Sea Water Temperature

Current Sea Water Temperature:
+42.4°F
Maximum Sea Water Temperature in April: 50.8°F
Minimum Sea Water Temperature in April: 31.6°F
Average water temperature in April: 41.6°F

Sea Water Temperature for the Last 10 Days:

April 21 42.4°F April 16 41.0°F
April 20 41.6°F April 15 39.6°F
April 19 41.0°F April 14 39.8°F
April 18 40.8°F April 13 40.0°F
April 17 40.6°F April 12 41.6°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 +54
Aarhus +50
Copenhagen +48
Esbjerg +50
Frederikshavn +50
Herning +54
Odense +46
24 Hours Weather Forecast
Copenhagen
Local time: 12:48
21 apr, tuesday
1500 52°F
SW
0 mph
1800 50°F
SE
4 mph
2100 46°F
SE
9 mph
22 apr, wednesday
0000 44°F
SE
9 mph
0300 42°F
SE
10 mph
0600 42°F
SE
10 mph
0900 48°F
SE
11 mph
1200 52°F
SE
13 mph