January in Marseille 09 averages a daily high of 11.9°C with nights around 3.5°C. Expect roughly 6.8 wet days totalling 45.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Marseille 09 is April–June.
Based on MARSEILLES MARIGNANE, FR (25.5km), 1995–2024. 30 years of January data.