Measurements:
°C
°F
Tromse
46°F
NE 6 mph
Feels like: 44°F
Precip: 30%
World Resorts Norway Tromse Weather

Tromse Sea Water Temperature

Current Sea Water Temperature:
+50.0°F
Maximum Sea Water Temperature in September: 55.6°F
Minimum Sea Water Temperature in September: 45.2°F
Average water temperature in September: 49.3°F

Sea Water Temperature for the Last 10 Days:

September 08 50.0°F September 03 50.8°F
September 07 49.6°F September 02 50.6°F
September 06 49.8°F September 01 50.4°F
September 05 50.2°F August 31 50.4°F
September 04 50.2°F August 30 50.0°F

When is the Warmest Sea for Tromse?

According to our data for the last three years for Tromse 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 Tromse was 51.5°F. The maximum and minimum values were 50.0°F and 53.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Tromse was 50.3°F. The maximum and minimum values were 48.4°F and 51.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Tromse was 50.4°F. The maximum and minimum values were 48.8°F and 52.4°F respectively.

Best Time to Visit Tromse
The most sunny months:
January 8 days
September 7 days
July 7 days
The most warm months:
July 58.8 °F
August 56.6 °F
June 51.4 °F
Warmest sea temperature:
August 51.1 °F
July 49.9 °F
September 49.3 °F
The most cold months:
January 16.1 °F
February 19.7 °F
December 21.2 °F
The most rainy months:
September 9 days
August 8 days
October 8 days
The most windy months:
January 11 mph
March 11 mph
February 11 mph

Tromse on the Weather Map

Norway Resorts:
NAME
Ålesund +54
Bergen +54
Flam +36
Hemsedal +42
Holmenkollen +52
Lillehammer +44
Oslo +48
Stavanger +56
Tromse +46
Trondheim +48
24 Hours Weather Forecast
Tromse
Local time: 22:55
09 sep, wednesday
0000 46°F
NE
6 mph
0300 46°F
N
7 mph
0600 46°F
N
10 mph
0900 48°F
N
10 mph
1200 50°F
NE
9 mph
1500 50°F
E
8 mph
1800 48°F
NE
20 mph
2100 48°F
NE
8 mph