In October, Trondheim typically sees daytime highs of 8.1°C and overnight lows around 1.9°C. Compared to the annual average high of 8.4°C, October runs -0.3°C.
October in Trondheim averages a daytime high of 8.1°C and an overnight low of 1.9°C.
October runs -0.3°C compared to Trondheim's annual average high of 8.4°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 8.1°C and cooler evenings around 1.9°C.