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 2 mph
Precip.
0%
0%
Night
43°F
E 30 mph
Precip.
100%
100%
27.12
sat
sat
Day
32°F
SE 26 mph
Precip.
100%
100%
Night
36°F
SE 22 mph
Precip.
100%
100%
28.12
sun
sun
Day
39°F
E 27 mph
Precip.
100%
100%
Night
39°F
E 29 mph
Precip.
100%
100%
29.12
mon
mon
Day
32°F
SE 19 mph
Precip.
100%
100%
Night
28°F
SE 25 mph
Precip.
100%
100%
30.12
tue
tue
Day
30°F
SE 16 mph
Precip.
100%
100%
Night
30°F
SE 12 mph
Precip.
100%
100%
31.12
wed
wed
Day
25°F
W 9 mph
Precip.
100%
100%
Night
10°F
W 6 mph
Precip.
0%
0%
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 42.8°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: 21:45
December 26, friday
0000
41°F
E
9 mph
9 mph
0300
37°F
NE
5 mph
5 mph
0600
37°F
NE
6 mph
6 mph
0900
36°F
N
6 mph
6 mph
1200
34°F
NE
2 mph
2 mph
1500
34°F
NE
4 mph
4 mph
1800
34°F
NE
6 mph
6 mph
2100
37°F
NE
9 mph
9 mph
