In July, Siegen typically sees daytime highs of 20.7°C and overnight lows around 10.7°C. Compared to the annual average high of 11.5°C, July runs +9.2°C.
July in Siegen averages a daytime high of 20.7°C and an overnight low of 10.7°C.
July runs +9.2°C compared to Siegen's annual average high of 11.5°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 20.7°C and cooler evenings around 10.7°C.