World Resorts Norway Trondheim Weather

Trondheim 14 Days Forecast

23.12
tue
Day
27°F
NW 4 mph
Precip.
0%
Night
27°F
NW 3 mph
Precip.
0%
24.12
wed
Day
34°F
N 6 mph
Precip.
71%
Night
39°F
NE 13 mph
Precip.
0%
25.12
thu
Day
45°F
E 22 mph
Precip.
0%
Night
43°F
E 16 mph
Precip.
0%
26.12
fri
Day
36°F
NE 5 mph
Precip.
0%
Night
41°F
SE 24 mph
Precip.
100%
27.12
sat
Day
34°F
SE 26 mph
Precip.
100%
Night
36°F
SE 15 mph
Precip.
100%
28.12
sun
Day
39°F
E 27 mph
Precip.
100%
Night
41°F
E 26 mph
Precip.
100%
29.12
mon
Day
37°F
SE 19 mph
Precip.
100%
Night
36°F
SE 18 mph
Precip.
100%
30.12
tue
Day
37°F
SE 25 mph
Precip.
100%
Night
27°F
SE 22 mph
Precip.
100%
31.12
wed
Day
28°F
SE 8 mph
Precip.
77%
Night
34°F
SE 8 mph
Precip.
100%
01.01
thu
Day
34°F
E 16 mph
Precip.
100%
Night
39°F
E 22 mph
Precip.
100%
02.01
fri
Day
34°F
NW 4 mph
Precip.
100%
Night
32°F
NW 8 mph
Precip.
100%
03.01
sat
Day
30°F
SE 9 mph
Precip.
100%
Night
36°F
E 16 mph
Precip.
100%
04.01
sun
Day
30°F
SE 20 mph
Precip.
100%
Night
19°F
W 14 mph
Precip.
27%
05.01
mon
Day
9°F
N 6 mph
Precip.
0%
Night
16°F
N 4 mph
Precip.
0%

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

Sunniest months:
May 8 days
July 8 days
August 8 days
Warmest months:
July 63.8 °F
August 62.1 °F
June 59.0 °F
Warmest sea temp:
July 59.5 °F
August 59.4 °F
September 54.9 °F
Coldest months:
January 27.2 °F
December 29.3 °F
February 29.8 °F
Rainiest months:
September 6 days
March 5 days
July 5 days
Windiest months:
January 8.3 mph
March 8.0 mph
December 8.0 mph

Trondheim on a weather map

Trondheim
+25°F
W 5 mph
Feels like: +19°F
Precip.: 0%
Places in Norway:
Name
°F
+36°F
+14°F
+43°F
+27°F
+41°F
+32°F
+25°F
+12°F
+14°F
+27°F
24 Hours Forecast
Trondheim
Local time: 08:31
December 23, tuesday
0900
25°F
W
5 mph
1200
27°F
NW
4 mph
1500
27°F
NW
4 mph
1800
27°F
NW
4 mph
2100
27°F
NW
3 mph
December 24, wednesday
0000
27°F
NW
3 mph
0300
28°F
N
4 mph
0600
28°F
N
5 mph
Units of measurement: °C / °F