Average sea water temperature in October:
+49.8°F
| Minimum sea water temperature in October: | 54.0°F |
| Maximum sea water temperature in October: | 43.9°F |
Daily sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 50.9°F. The highest and lowest sea temperatures during the month were 53.2°F and 47.3°F.
sea water
temperature
temperature
| Trondheim |
monthly
weather
weather
| Trondheim |
current
weather
weather
| Trondheim |
14 days
forecast
forecast
| Trondheim |
Monthly sea water temperature in Trondheim, °F
Which Norway resorts have warmest sea in October?
| Place name | October 2025 | October 2024 |
|---|---|---|
| Stavanger | 55.4°F | 54.8°F |
| Ålesund | 54.0°F | 52.4°F |
| Holmenkollen | 52.7°F | 51.9°F |
| Oslo | 52.6°F | 51.9°F |
| Bergen | 52.5°F | 51.8°F |
| Trondheim | 50.9°F | 49.9°F |
| Tromse | 48.3°F | 49.4°F |
Best time for vacation in Trondheim
Trondheim on a weather map
Places in Norway:
Name
°F
24 Hours Forecast
Trondheim
Local time: 00:23
April 27, monday
0300

36°F
E
3 mph
3 mph
0600

34°F
E
4 mph
4 mph
0900

37°F
NE
4 mph
4 mph
1200

39°F
E
5 mph
5 mph
1500

41°F
SE
6 mph
6 mph
1800

43°F
SE
4 mph
4 mph
2100

39°F
SE
3 mph
3 mph
April 28, tuesday
0000

37°F
SE
1 mph
1 mph



























