Measurements:
°C
°F
Ålesund
42°F
S 6 mph
Feels like: 38°F
Precip: 67%
World Resorts Norway Ålesund Weather

Ålesund Sea Water Temperature

Current Sea Water Temperature:
+45.0°F
Maximum Sea Water Temperature in April: 49.8°F
Minimum Sea Water Temperature in April: 37.2°F
Average water temperature in April: 42.1°F

Sea Water Temperature for the Last 10 Days:

April 21 45.0°F April 16 43.4°F
April 20 44.0°F April 15 42.8°F
April 19 44.0°F April 14 42.4°F
April 18 43.2°F April 13 42.8°F
April 17 43.8°F April 12 42.8°F

When is the Warmest Sea for Ålesund?

According to our data for the last three years for Ålesund 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 Ålesund was 61.0°F. The maximum and minimum values were 58.2°F and 65.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Ålesund was 62.3°F. The maximum and minimum values were 54.4°F and 69.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Ålesund was 58.3°F. The maximum and minimum values were 54.2°F and 60.8°F respectively.

Best Time to Visit Ålesund
The most sunny months:
April 9 days
May 8 days
June 8 days
The most warm months:
August 60.0 °F
July 58.4 °F
September 56.7 °F
Warmest sea temperature:
August 59.9 °F
July 57.9 °F
September 57.7 °F
The most cold months:
January 36.6 °F
February 37.3 °F
March 39.1 °F
The most rainy months:
December 10 days
January 9 days
September 9 days
The most windy months:
December 16 mph
January 14 mph
November 14 mph

Ålesund on the Weather Map

Norway Resorts:
NAME
Ålesund +42
Bergen +50
Flam +30
Hemsedal +34
Holmenkollen +54
Lillehammer +52
Oslo +58
Stavanger +44
Tromse +44
Trondheim +48
24 Hours Weather Forecast
Ålesund
Local time: 13:03
21 apr, tuesday
1500 42°F
S
7 mph
1800 42°F
SW
6 mph
2100 42°F
SW
6 mph
22 apr, wednesday
0000 42°F
SW
2 mph
0300 42°F
E
0 mph
0600 42°F
N
3 mph
0900 42°F
NE
5 mph
1200 42°F
NE
7 mph