In June, Winterthur typically sees daytime highs of 20.9°C and overnight lows around 10.8°C. Compared to the annual average high of 12.8°C, June runs +8.0°C.
June in Winterthur averages a daytime high of 20.9°C and an overnight low of 10.8°C.
June runs +8.0°C compared to Winterthur's annual average high of 12.8°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 20.9°C and cooler evenings around 10.8°C.