In August, Luzern typically sees daytime highs of 21.4°C and overnight lows around 12.2°C. Compared to the annual average high of 12.7°C, August runs +8.7°C.
August in Luzern averages a daytime high of 21.4°C and an overnight low of 12.2°C.
August runs +8.7°C compared to Luzern's annual average high of 12.7°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 21.4°C and cooler evenings around 12.2°C.