Current sea water temperature:
+43.2°F
| Minimum sea water temperature in May: | 45.5°F |
| Maximum sea water temperature in May: | 38.1°F |
| Average sea water temperature in May: | 41.5°F |
| more information | |
14 days
forecast
forecast
| Tromse |
monthly
weather
weather
| Tromse |
Sea water temperature for the last 10 days:
| May 16 | 43.2°F | May 11 | 42.6°F |
| May 15 | 43.2°F | May 10 | 41.2°F |
| May 14 | 41.9°F | May 9 | 40.8°F |
| May 13 | 43.0°F | May 8 | 40.8°F |
| May 12 | 43.2°F | May 7 | 41.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Tromse?
Based on the data about daily sea water temperature for the last three years the warmest sea in Tromse was noticed in August, July and September.
Monthly Sea Temperatures in Tromse, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 51.6°F. The highest and lowest sea temperatures during the month were 55.4°F and 48.4°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 50.3°F. The highest and lowest sea temperatures during the month were 52.2°F and 47.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 50.4°F. The highest and lowest sea temperatures during the month were 52.2°F and 48.9°F.
current
weather
weather
| Tromse |
weather in
May
May
| Tromse |
Best time for vacation in Tromse
Tromse on a weather map
Places in Norway:
Name
°F
24 Hours Forecast
Tromse
Local time: 00:25
May 17, sunday
0300

41°F
S
7 mph
7 mph
0600

41°F
S
5 mph
5 mph
0900

41°F
SW
4 mph
4 mph
1200

43°F
SW
5 mph
5 mph
1500

45°F
SW
6 mph
6 mph
1800

45°F
SW
6 mph
6 mph
2100

43°F
SW
6 mph
6 mph
May 18, monday
0000

41°F
W
6 mph
6 mph



























