In July, Zwolle typically sees daytime highs of 20.9°C and overnight lows around 11.6°C. Compared to the annual average high of 12.8°C, July runs +8.1°C.
July in Zwolle averages a daytime high of 20.9°C and an overnight low of 11.6°C.
July runs +8.1°C compared to Zwolle's annual average high of 12.8°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 20.9°C and cooler evenings around 11.6°C.