27.12
sat
sat
Day
34°F
SE 29 mph
Precip.
100%
100%
Night
36°F
E 19 mph
Precip.
87%
87%
28.12
sun
sun
Day
37°F
E 31 mph
Precip.
100%
100%
Night
36°F
SE 21 mph
Precip.
100%
100%
29.12
mon
mon
Day
30°F
SE 22 mph
Precip.
100%
100%
Night
30°F
SE 19 mph
Precip.
100%
100%
30.12
tue
tue
Day
30°F
S 8 mph
Precip.
100%
100%
Night
28°F
SE 16 mph
Precip.
100%
100%
31.12
wed
wed
Day
28°F
S 16 mph
Precip.
100%
100%
Night
28°F
SE 13 mph
Precip.
100%
100%
01.01
thu
thu
Day
30°F
SE 10 mph
Precip.
100%
100%
Night
28°F
SE 9 mph
Precip.
100%
100%
02.01
fri
fri
Day
30°F
E 12 mph
Precip.
100%
100%
Night
25°F
NE 9 mph
Precip.
100%
100%
03.01
sat
sat
Day
23°F
SW 8 mph
Precip.
100%
100%
Night
14°F
W 6 mph
Precip.
100%
100%
04.01
sun
sun
Day
12°F
W 12 mph
Precip.
0%
0%
Night
16°F
W 19 mph
Precip.
0%
0%
05.01
mon
mon
Day
19°F
NW 21 mph
Precip.
0%
0%
Night
18°F
NW 19 mph
Precip.
0%
0%
06.01
tue
tue
Day
19°F
NW 19 mph
Precip.
0%
0%
Night
12°F
NW 6 mph
Precip.
0%
0%
07.01
wed
wed
Day
10°F
N 6 mph
Precip.
86%
86%
Night
10°F
N 8 mph
Precip.
66%
66%
08.01
thu
thu
Day
25°F
W 9 mph
Precip.
100%
100%
Night
23°F
NE 13 mph
Precip.
100%
100%
09.01
fri
fri
Day
14°F
NW 6 mph
Precip.
0%
0%
Night
7°F
NW 6 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 42.9°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: 21:31
December 28, sunday
0000
36°F
E
19 mph
19 mph
0300
36°F
E
21 mph
21 mph
0600
36°F
E
25 mph
25 mph
0900
37°F
E
30 mph
30 mph
1200
37°F
E
31 mph
31 mph
1500
39°F
E
27 mph
27 mph
1800
39°F
SE
21 mph
21 mph
2100
37°F
SE
19 mph
19 mph
