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:
May 8 days
July 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 27.2 °F
December 29.3 °F
February 29.8 °F
Rainiest months:
September 6 days
March 5 days
July 5 days
Windiest months:
January 8.3 mph
March 8.0 mph
December 8.0 mph

Trondheim on a weather map

Current weather
18:57
Trondheim
+34°F
N 5 mph
Feels like: +30°F
Precip.: 0%
Places in Norway:
Name
°F
Bergen
+37°F
Lillehammer
+18°F
Ålesund
+43°F
Oslo
+30°F
Stavanger
+45°F
Tromse
+32°F
Trondheim
+34°F
Flam
+18°F
Hemsedal
+21°F
Holmenkollen
+30°F
24 Hours Forecast
Trondheim
Local time: 18:57
December 21, sunday
2100
34°F
N
2 mph
December 22, monday
0000
34°F
W
2 mph
0300
34°F
NW
2 mph
0600
32°F
NW
2 mph
0900
32°F
W
4 mph
1200
30°F
W
6 mph
1500
30°F
W
6 mph
1800
30°F
W
6 mph
Units of measurement: °C / °F