In July, Trondheim typically sees daytime highs of 18.4°C and overnight lows around 9.3°C. Compared to the annual average high of 8.4°C, July runs +10.0°C.
July in Trondheim averages a daytime high of 18.4°C and an overnight low of 9.3°C.
July runs +10.0°C compared to Trondheim's annual average high of 8.4°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 18.4°C and cooler evenings around 9.3°C.