The highest day temperature in August 2025 was 75°F. The lowest night temperature was 42°F. The average values for day and night temperatures during August were 57.2°F и 51.4°F respectivly.

The average sea surface temperature in August 2025 for Tromse was 51.8°F. The maximum and minimum values were 48.2°F and 56.0°F respectively.

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

Precipitation total in August for Tromse is 5.4 in. It makes august one of the most rainy months of the year.

The average wind speed in August is 6.6 mph. It makes August one of the most windless 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 August is 7.3 hours.