August in Marseille 15 averages a daily high of 30.6°C with nights around 19.4°C. Expect roughly 3.4 wet days totalling 28.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Marseille 15 is April–June.
Based on MARSEILLES MARIGNANE, FR (13.3km), 1995–2024. 30 years of August data.