Measurements:
°C
°F
Frederikshavn
54°F
E 11 mph
Feels like: 50°F
Precip: 26%
World Resorts Denmark Frederikshavn Weather

Frederikshavn Sea Water Temperature

Current Sea Water Temperature:
+60.6°F
Maximum Sea Water Temperature in September: 67.0°F
Minimum Sea Water Temperature in September: 56.2°F
Average water temperature in September: 61.9°F

Sea Water Temperature for the Last 10 Days:

September 28 60.6°F September 23 58.4°F
September 27 60.6°F September 22 60.2°F
September 26 61.0°F September 21 60.4°F
September 25 60.6°F September 20 60.2°F
September 24 58.6°F September 19 60.6°F

When is the Warmest Sea for Frederikshavn?

According to our data for the last three years for Frederikshavn 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: 2026 2025 2024

The average sea surface temperature in August 2026 for Frederikshavn was 64.1°F. The maximum and minimum values were 63.2°F and 66.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Frederikshavn was 66.3°F. The maximum and minimum values were 62.8°F and 70.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Frederikshavn was 61.6°F. The maximum and minimum values were 58.4°F and 65.0°F respectively.

Best Time to Visit Frederikshavn
The most sunny months:
June 14 days
May 14 days
July 14 days
The most warm months:
July 68.1 °F
August 67.6 °F
June 64.3 °F
Warmest sea temperature:
August 65.2 °F
July 64.7 °F
September 61.9 °F
The most cold months:
February 36.5 °F
January 37.0 °F
March 40.9 °F
The most rainy months:
August 5 days
June 4 days
July 4 days
The most windy months:
December 16 mph
January 16 mph
November 15 mph

Frederikshavn on the Weather Map

Denmark Resorts:
NAME
F°
Aalborg +52
Aarhus +56
Copenhagen +62
Esbjerg +56
Frederikshavn +54
Herning +52
Odense +60
24 Hours Weather Forecast
Frederikshavn
Local time: 00:33
29 sep, tuesday
0300 52°F
E
8 mph
0600 52°F
E
6 mph
0900 54°F
E
2 mph
1200 60°F
W
5 mph
1500 60°F
W
9 mph
1800 60°F
W
11 mph
2100 60°F
W
11 mph
30 sep, wednesday
0000 60°F
W
13 mph