June in Gummersbach averages a daily high of 22°C with nights around 11.2°C. Expect roughly 13.5 wet days totalling 88.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Gummersbach is May–September.
Based on NEUNKIRCHEN SEELSCHEID KRAWINK, GM (24.2km), 1995–2024. 30 years of June data.