June in Arnsberg averages a daily high of 22.2°C with nights around 9.2°C. Expect roughly 12.3 wet days totalling 64.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Arnsberg is May–September.
Based on ARNSBERG NEHEIM, GM (11.6km), 1995–2024. 19 years of June data.