July in Lünen averages a daily high of 24.7°C with nights around 12.6°C. Expect roughly 14.1 wet days totalling 82.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Lünen is May–September.
Based on LUDINGHAUSEN BROCHTRUP, GM (16.9km), 1995–2024. 20 years of July data.