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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Edinburgh Wire weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Marseille’s Mediterranean climate means mild, damp winters and hot, dry summers. The live forecast above gives the current conditions, but for planning ahead, December and January lows hover around 4°C while July averages 29°C. Sunshine hours exceed 2,800 a year, making it one of France’s warmest cities.
What is the weather like in Marseille by month?
Winter (December–February) sees temperatures between 4°C and 12°C, with rain possible but snow extremely rare. Spring warms quickly: by May highs reach 22°C. Summer (June–August) is hot and dry, with July often topping 30°C and a cooling Mistral wind. Autumn remains mild into October, then cooler and wetter from November. For a full breakdown, BBC forecasts for Marseille weather by month offer detailed averages.
How does the Mistral wind affect Marseille weather?
The Mistral is a strong, cold northwesterly wind that can blow for several days, especially in winter and spring. It clears the air but can bring sudden temperature drops. In summer it provides relief from the heat, while in winter it makes conditions feel much colder. The live forecast above will show wind speeds when the Mistral is active.
What is the weather like in Marseille in December?
December is mild and damp, with highs around 12°C and lows near 4°C. Rain is common but not heavy, and snowfall is very rare. The Mistral wind can make it feel colder. A 14‑day forecast helps you plan for any wet spells.
What is the weather like in Marseille in January?
January is the coolest month, with average highs of 10°C and lows of 4°C. It’s also one of the cloudier months, though rain totals are moderate. The Mistral may bring clear skies but a sharp chill. Check the 10‑day forecast before travelling.
Can I trust a 30‑day forecast for Marseille?
Long‑range outlooks (30 or 15 days) give general trends rather than exact daily weather. For specific planning, the 10‑day forecast is more reliable. BBC and Met Office both provide updated outlooks for Marseille weather forecast 15 days ahead.
Sources
For more UK and European weather updates, see our UK weather hub or the 10‑day weather forecast for the latest outlooks.