21.12
sun
sun
Day
37°F
NE 6 mph
Precip.
0%
0%
Night
34°F
W 2 mph
Precip.
0%
0%
22.12
mon
mon
Day
30°F
W 6 mph
Precip.
0%
0%
Night
28°F
W 7 mph
Precip.
0%
0%
23.12
tue
tue
Day
28°F
W 6 mph
Precip.
0%
0%
Night
27°F
NW 3 mph
Precip.
0%
0%
24.12
wed
wed
Day
32°F
N 5 mph
Precip.
0%
0%
Night
37°F
NE 7 mph
Precip.
0%
0%
25.12
thu
thu
Day
43°F
E 23 mph
Precip.
100%
100%
Night
34°F
N 6 mph
Precip.
0%
0%
26.12
fri
fri
Day
34°F
NE 6 mph
Precip.
45%
45%
Night
39°F
E 19 mph
Precip.
100%
100%
27.12
sat
sat
Day
39°F
SE 22 mph
Precip.
100%
100%
Night
37°F
E 14 mph
Precip.
20%
20%
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: 18:56
December 21, sunday
2100
34°F
N
2 mph
2 mph
December 22, monday
0000
34°F
W
2 mph
2 mph
0300
34°F
NW
2 mph
2 mph
0600
32°F
NW
2 mph
2 mph
0900
32°F
W
4 mph
4 mph
1200
30°F
W
6 mph
6 mph
1500
30°F
W
6 mph
6 mph
1800
30°F
W
6 mph
6 mph
