Measurements:
°C
°F
Tromse
54°F
NE 9 mph
Feels like: 50°F
Precip: 29%
World Resorts Norway Tromse Weather

Tromse Sea Water Temperature

Current Sea Water Temperature:
+46.4°F
Maximum Sea Water Temperature in June: 53.4°F
Minimum Sea Water Temperature in June: 41.2°F
Average water temperature in June: 45.4°F

Sea Water Temperature for the Last 10 Days:

June 21 46.4°F June 16 46.4°F
June 20 46.6°F June 15 46.8°F
June 19 46.8°F June 14 47.4°F
June 18 47.0°F June 13 47.6°F
June 17 47.6°F June 12 47.8°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Tromse was 51.8°F. The maximum and minimum values were 48.2°F and 56.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Tromse was 50.3°F. The maximum and minimum values were 47.4°F and 52.4°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 59.2 °F
August 56.9 °F
June 51.3 °F
Warmest sea temperature:
August 51.1 °F
July 49.8 °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:
August 9 days
September 9 days
June 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 +42
Hemsedal +50
Holmenkollen +70
Lillehammer +68
Oslo +74
Stavanger +56
Tromse +54
Trondheim +52
24 Hours Weather Forecast
Tromse
Local time: 13:07
21 jun, sunday
1500 54°F
NE
6 mph
1800 50°F
N
8 mph
2100 50°F
N
9 mph
22 jun, monday
0000 48°F
N
9 mph
0300 48°F
N
8 mph
0600 46°F
N
8 mph
0900 48°F
N
7 mph
1200 52°F
SE
7 mph