Measurements:
°C
°F
Frederikshavn
46°F
NW 5 mph
Feels like: 44°F
Precip: 7%
World Resorts Denmark Frederikshavn Weather

Frederikshavn Sea Water Temperature

Current Sea Water Temperature:
+55.0°F
Maximum Sea Water Temperature in October: 61.4°F
Minimum Sea Water Temperature in October: 49.0°F
Average water temperature in October: 55.3°F

Sea Water Temperature for the Last 10 Days:

October 18 55.0°F October 13 56.6°F
October 17 55.2°F October 12 58.8°F
October 16 55.6°F October 11 57.0°F
October 15 57.0°F October 10 57.2°F
October 14 56.0°F October 09 58.0°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 61.4°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 +40
Aarhus +42
Copenhagen +44
Esbjerg +42
Frederikshavn +46
Herning +40
Odense +48
24 Hours Weather Forecast
Frederikshavn
Local time: 06:57
19 oct, monday
0900 46°F
NW
7 mph
1200 50°F
NW
9 mph
1500 50°F
NW
8 mph
1800 46°F
NW
8 mph
2100 46°F
NW
8 mph
20 oct, tuesday
0000 48°F
NW
9 mph
0300 48°F
W
10 mph
0600 46°F
W
12 mph