Measurements:
°C
°F
Tromse
14°F
NW 8 mph
Feels like: 4°F
Precip: 77%
World Resorts Norway Tromse Weather

Tromse Sea Water Temperature

Current Sea Water Temperature:
+37.2°F
Maximum Sea Water Temperature in February: 40.0°F
Minimum Sea Water Temperature in February: 29.8°F
Average water temperature in February: 35.7°F

Sea Water Temperature for the Last 10 Days:

February 17 37.2°F February 12 38.0°F
February 16 38.0°F February 11 38.4°F
February 15 38.0°F February 10 38.4°F
February 14 38.2°F February 09 39.0°F
February 13 38.4°F February 08 38.8°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 19.8 °F
December 21.2 °F
The most rainy months:
August 9 days
September 9 days
June 8 days
The most windy months:
February 11 mph
January 11 mph
March 11 mph

Tromse on the Weather Map

Norway Resorts:
NAME
Ålesund +32
Bergen +24
Flam -4
Hemsedal -2
Holmenkollen +10
Lillehammer +2
Oslo +6
Stavanger +30
Tromse +14
Trondheim +22
24 Hours Weather Forecast
Tromse
Local time: 19:57
17 feb, tuesday
2100 14°F
NW
8 mph
18 feb, wednesday
0000 10°F
NW
8 mph
0300 8°F
NW
8 mph
0600 10°F
NW
7 mph
0900 10°F
NW
7 mph
1200 14°F
NW
7 mph
1500 14°F
NW
6 mph
1800 12°F
NW
7 mph