In August, Winterthur typically sees daytime highs of 22.1°C and overnight lows around 12.1°C. Compared to the annual average high of 12.8°C, August runs +9.3°C.
August in Winterthur averages a daytime high of 22.1°C and an overnight low of 12.1°C.
August runs +9.3°C compared to Winterthur's annual average high of 12.8°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 22.1°C and cooler evenings around 12.1°C.