The highest day temperature in January 2026 was 32°F. The lowest night temperature was -6°F. The average values for day and night temperatures during January were 8.2°F и 7.1°F respectivly.

The average sea surface temperature in January 2026 for Tromse was 39.8°F. The maximum and minimum values were 38.8°F and 41.2°F respectively.

Most of the days in January are gloomy but you can also expect sunny days.

Precipitation total in January for Tromse is 4.1 in. It makes january one of the least rainy months of the year.

The average wind speed in January is 10.8 mph. It makes January one of the most windy months of the year for Tromse.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Tromse in January is 0.7 hours.