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Trondheim weather in January

Weather in Trondheim: January

Average day temperature: 27.2°F
Average night temperature: 24.7°F
Sea water temperature: 41.1°F
Number of sunny days: 7 days
Day length: 4.7 - 7.2 hours
Number of days with precipitation: 5 days
Precipitation totals: 2.2 in.

Air temperature in January, °F

Show year:
2025
2024
2023

The highest day temperature during January of 2025 was 46°F. At the same time the lowest night temperature was 8°F. Daily and nightly averages during January were 29.1°F and 28.4°F.

Sea water temperature in Trondheim 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.

Sunny, partly cloudy and cloudy days

Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in January, in.

Precipitation total value in Trondheim in January is 2.2 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 8.3 mph It makes January most windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 2.0.

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
+32°F
W 7 mph
Feels like: +25°F
Precip.: 0%
Places in Norway:
Name
°F
+37°F
+36°F
+43°F
+36°F
+46°F
+21°F
+32°F
+19°F
+28°F
+39°F
24 Hours Forecast
Trondheim
Local time: 08:36
December 05, friday
0900
32°F
W
7 mph
1200
34°F
W
8 mph
1500
34°F
W
10 mph
1800
34°F
W
7 mph
2100
36°F
NW
8 mph
December 06, saturday
0000
37°F
NW
9 mph
0300
36°F
NW
9 mph
0600
37°F
NW
10 mph
Units of measurement: °C / °F