In July, Tromso typically sees daytime highs of 17.0°C and overnight lows around 8.4°C. Compared to the annual average high of 5.9°C, July runs +11.1°C.
July in Tromso averages a daytime high of 17.0°C and an overnight low of 8.4°C.
July runs +11.1°C compared to Tromso's annual average high of 5.9°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 17.0°C and cooler evenings around 8.4°C.