August in Lugano averages a daily high of 26.8°C with nights around 17.9°C. Expect roughly 10.8 wet days totalling 166.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Lugano is May–September.
Based on LUGANO, SZ (1.2km), 1995–2024. 30 years of August data.