Measurements:
°C
°F
Frederikshavn
40°F
E 14 mph
Feels like: 32°F
Precip: 0%
World Resorts Denmark Frederikshavn Weather

Frederikshavn Sea Water Temperature

Current Sea Water Temperature:
+40.0°F
Maximum Sea Water Temperature in March: 43.2°F
Minimum Sea Water Temperature in March: 30.8°F
Average water temperature in March: 37.9°F

Sea Water Temperature for the Last 10 Days:

March 29 40.0°F March 24 40.2°F
March 28 40.8°F March 23 40.0°F
March 27 40.0°F March 22 40.2°F
March 26 39.6°F March 21 39.2°F
March 25 40.4°F March 20 38.2°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Frederikshavn was 65.2°F. The maximum and minimum values were 62.8°F and 68.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Frederikshavn was 66.7°F. The maximum and minimum values were 60.4°F and 73.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Frederikshavn was 62.6°F. The maximum and minimum values were 59.2°F and 65.4°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 64.2 °F
Warmest sea temperature:
August 65.2 °F
July 64.6 °F
September 61.9 °F
The most cold months:
February 36.5 °F
January 37.0 °F
December 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
Aalborg +40
Aarhus +38
Copenhagen +38
Esbjerg +40
Frederikshavn +40
Herning +40
Odense +38
24 Hours Weather Forecast
Frederikshavn
Local time: 09:05
30 mar, monday
1200 44°F
E
15 mph
1500 46°F
E
17 mph
1800 44°F
E
17 mph
2100 40°F
E
19 mph
31 mar, tuesday
0000 40°F
E
22 mph
0300 40°F
E
19 mph
0600 38°F
SE
11 mph
0900 40°F
S
9 mph