23.12
tue
tue
Day

27°F
NW 4 mph
Precip.
0%
0%
Night

27°F
NW 3 mph
Precip.
0%
0%
24.12
wed
wed
Day

34°F
N 6 mph
Precip.
71%
71%
Night

39°F
NE 13 mph
Precip.
0%
0%
25.12
thu
thu
Day

45°F
E 22 mph
Precip.
0%
0%
Night

43°F
E 16 mph
Precip.
0%
0%
26.12
fri
fri
Day

36°F
NE 5 mph
Precip.
0%
0%
Night

41°F
SE 24 mph
Precip.
100%
100%
27.12
sat
sat
Day

34°F
SE 26 mph
Precip.
100%
100%
Night

36°F
SE 15 mph
Precip.
100%
100%
28.12
sun
sun
Day

39°F
E 27 mph
Precip.
100%
100%
Night

41°F
E 26 mph
Precip.
100%
100%
29.12
mon
mon
Day

37°F
SE 19 mph
Precip.
100%
100%
Night

36°F
SE 18 mph
Precip.
100%
100%
30.12
tue
tue
Day

37°F
SE 25 mph
Precip.
100%
100%
Night

27°F
SE 22 mph
Precip.
100%
100%
31.12
wed
wed
Day

28°F
SE 8 mph
Precip.
77%
77%
Night

34°F
SE 8 mph
Precip.
100%
100%
01.01
thu
thu
Day

34°F
E 16 mph
Precip.
100%
100%
Night

39°F
E 22 mph
Precip.
100%
100%
02.01
fri
fri
Day

34°F
NW 4 mph
Precip.
100%
100%
Night

32°F
NW 8 mph
Precip.
100%
100%
03.01
sat
sat
Day

30°F
SE 9 mph
Precip.
100%
100%
Night

36°F
E 16 mph
Precip.
100%
100%
04.01
sun
sun
Day

30°F
SE 20 mph
Precip.
100%
100%
Night

19°F
W 14 mph
Precip.
27%
27%
05.01
mon
mon
Day

9°F
N 6 mph
Precip.
0%
0%
Night

16°F
N 4 mph
Precip.
0%
0%
sea water
temperature
temperature
| Trondheim |
monthly
weather
weather
| Trondheim |
current
weather
weather
| Trondheim |
7 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: 08:31
December 23, tuesday
0900

25°F
W
5 mph
5 mph
1200

27°F
NW
4 mph
4 mph
1500

27°F
NW
4 mph
4 mph
1800

27°F
NW
4 mph
4 mph
2100

27°F
NW
3 mph
3 mph
December 24, wednesday
0000

27°F
NW
3 mph
3 mph
0300

28°F
N
4 mph
4 mph
0600

28°F
N
5 mph
5 mph



























