23.12
tue
tue
Day
27°F
NW 5 mph
Precip.
0%
0%
Night
28°F
NW 3 mph
Precip.
0%
0%
24.12
wed
wed
Day
36°F
N 7 mph
Precip.
100%
100%
Night
39°F
NE 14 mph
Precip.
0%
0%
25.12
thu
thu
Day
45°F
E 24 mph
Precip.
0%
0%
Night
41°F
E 9 mph
Precip.
0%
0%
26.12
fri
fri
Day
34°F
NE 3 mph
Precip.
0%
0%
Night
41°F
SE 25 mph
Precip.
100%
100%
27.12
sat
sat
Day
34°F
SE 26 mph
Precip.
100%
100%
Night
36°F
SE 17 mph
Precip.
100%
100%
28.12
sun
sun
Day
37°F
E 20 mph
Precip.
100%
100%
Night
41°F
E 19 mph
Precip.
100%
100%
29.12
mon
mon
Day
41°F
E 17 mph
Precip.
100%
100%
Night
41°F
E 22 mph
Precip.
100%
100%
sea water
temperature
temperature
| Trondheim |
monthly
weather
weather
| Trondheim |
current
weather
weather
| Trondheim |
14 days
forecast
forecast
| Trondheim |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 42.7°F. The highest and lowest sea temperatures during the month were 45.3°F and 40.3°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 41.6°F. The highest and lowest sea temperatures during the month were 43.3°F and 39.0°F.
Air temperature in Trondheim, °F
Precipitation total in Trondheim, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Trondheim
Trondheim on a weather map
Places in Norway:
Name
°F
24 Hours Forecast
Trondheim
Local time: 21:07
December 24, wednesday
0000
28°F
NW
3 mph
3 mph
0300
28°F
N
3 mph
3 mph
0600
28°F
N
5 mph
5 mph
0900
34°F
N
6 mph
6 mph
1200
36°F
N
7 mph
7 mph
1500
37°F
N
7 mph
7 mph
1800
36°F
N
9 mph
9 mph
2100
36°F
NE
11 mph
11 mph
