In August, Zwolle typically sees daytime highs of 21.1°C and overnight lows around 11.6°C. Compared to the annual average high of 12.8°C, August runs +8.4°C.
August in Zwolle averages a daytime high of 21.1°C and an overnight low of 11.6°C.
August runs +8.4°C compared to Zwolle's annual average high of 12.8°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 21.1°C and cooler evenings around 11.6°C.