Current sea water temperature:
+43.3°F
| Minimum sea water temperature in January: | 44.6°F |
| Maximum sea water temperature in January: | 36.3°F |
| Average sea water temperature in January: | 41.2°F |
| more information | |
14 days
forecast
forecast
| Trondheim |
monthly
weather
weather
| Trondheim |
Sea water temperature for the last 10 days:
| January 12 | 43.3°F | January 7 | 40.8°F |
| January 11 | 43.5°F | January 6 | 43.3°F |
| January 10 | 43.5°F | January 5 | 43.3°F |
| January 9 | 43.7°F | January 4 | 43.5°F |
| January 8 | 41.2°F | January 3 | 43.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Trondheim?
Based on the data about daily sea water temperature for the last three years the warmest sea in Trondheim was noticed in July, August and September.
Monthly Sea Temperatures in Trondheim, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 63.6°F. The highest and lowest sea temperatures during the month were 71.6°F and 55.6°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 60.0°F. The highest and lowest sea temperatures during the month were 67.6°F and 55.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 56.0°F. The highest and lowest sea temperatures during the month were 59.4°F and 52.3°F.
current
weather
weather
| Trondheim |
weather in
January
January
| Trondheim |
Best time for vacation in Trondheim
Trondheim on a weather map
Places in Norway:
Name
°F
24 Hours Forecast
Trondheim
Local time: 00:09
January 13, tuesday
0300
28°F
NW
18 mph
18 mph
0600
27°F
NW
17 mph
17 mph
0900
25°F
NW
12 mph
12 mph
1200
23°F
NW
9 mph
9 mph
1500
21°F
NW
10 mph
10 mph
1800
21°F
NW
10 mph
10 mph
2100
21°F
NW
11 mph
11 mph
January 14, wednesday
0000
21°F
NW
12 mph
12 mph
