29.12
mon
mon
Day
32°F
SE 26 mph
Precip.
100%
100%
Night
32°F
S 19 mph
Precip.
100%
100%
30.12
tue
tue
Day
32°F
SE 12 mph
Precip.
100%
100%
Night
34°F
S 4 mph
Precip.
100%
100%
31.12
wed
wed
Day
28°F
NW 5 mph
Precip.
0%
0%
Night
28°F
W 9 mph
Precip.
89%
89%
01.01
thu
thu
Day
25°F
W 11 mph
Precip.
0%
0%
Night
25°F
W 16 mph
Precip.
65%
65%
02.01
fri
fri
Day
19°F
W 8 mph
Precip.
70%
70%
Night
7°F
W 9 mph
Precip.
0%
0%
03.01
sat
sat
Day
3°F
NW 4 mph
Precip.
0%
0%
Night
3°F
N 6 mph
Precip.
0%
0%
04.01
sun
sun
Day
14°F
N 7 mph
Precip.
100%
100%
Night
27°F
NE 11 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 43.1°F. The highest and lowest sea temperatures during the month were 45.7°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: 14:31
December 29, monday
1500
32°F
S
22 mph
22 mph
1800
32°F
S
22 mph
22 mph
2100
32°F
S
20 mph
20 mph
December 30, tuesday
0000
32°F
S
19 mph
19 mph
0300
30°F
S
15 mph
15 mph
0600
30°F
SE
15 mph
15 mph
0900
32°F
SE
14 mph
14 mph
1200
32°F
SE
12 mph
12 mph
