In August, Tromso typically sees daytime highs of 15.7°C and overnight lows around 7.8°C. Compared to the annual average high of 5.9°C, August runs +9.8°C.
August in Tromso averages a daytime high of 15.7°C and an overnight low of 7.8°C.
August runs +9.8°C compared to Tromso's annual average high of 5.9°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 15.7°C and cooler evenings around 7.8°C.