In January, Arnhem typically sees daytime highs of 4.2°C and overnight lows around -0.9°C. Compared to the annual average high of 13.4°C, January runs -9.2°C.
January in Arnhem averages a daytime high of 4.2°C and an overnight low of -0.9°C.
January runs -9.2°C compared to Arnhem's annual average high of 13.4°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 4.2°C and cooler evenings around -0.9°C.