In July, Hamm typically sees daytime highs of 22.2°C and overnight lows around 12.2°C. Compared to the annual average high of 13.4°C, July runs +8.8°C.
July in Hamm averages a daytime high of 22.2°C and an overnight low of 12.2°C.
July runs +8.8°C compared to Hamm's annual average high of 13.4°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 22.2°C and cooler evenings around 12.2°C.