August in Lünen averages a daily high of 24°C with nights around 12.4°C. Expect roughly 14.7 wet days totalling 76.1mm. 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. 21 years of August data.