World Resorts Norway Trondheim Weather

Trondheim Sea Temperature in October

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.

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

Sunniest months:
July 8 days
May 8 days
August 8 days
Warmest months:
July 63.8 °F
August 62.1 °F
June 59.0 °F
Warmest sea temp:
July 59.5 °F
August 59.4 °F
September 54.9 °F
Coldest months:
January 26.7 °F
February 29.5 °F
December 29.7 °F
Rainiest months:
September 6 days
July 5 days
August 5 days
Windiest months:
January 8.3 mph
December 8.0 mph
March 7.9 mph

Trondheim on a weather map

Trondheim
+52°F
W 3 mph
Feels like: +52°F
Precip.: 75%
Places in Norway:
Name
°F
+55°F
+63°F
+54°F
+70°F
+59°F
+50°F
+52°F
+52°F
+57°F
+66°F
24 Hours Forecast
Trondheim
Local time: 09:47
June 26, friday
1200
54°F
SW
2 mph
1500
54°F
E
2 mph
1800
54°F
NE
4 mph
2100
54°F
NE
2 mph
June 27, saturday
0000
54°F
SE
2 mph
0300
52°F
SE
1 mph
0600
54°F
S
2 mph
0900
55°F
SW
4 mph
Units of measurement: °C / °F