Marseille Weather in August
In August, Marseille averages a high of 30°C (85°F) and a low of 19°C (66°F), from 56 years of daily records (1971–2026).
30°C
Average high
85°F
19°C
Average low
66°F
39°C
Record high
102°F · August 16, 2025
11°C
Record low
51°F · August 31, 1986
What August Is Like in Marseille
- Marseille's hottest August day on record is a recent one: 39°C (102°F) on August 16, 2025.
- August in Marseille has become 2.6°C (4.6°F) warmer on average: the 2012–2026 average against 1970–1989.
- August 2026 was the 2nd warmest August in 56 years of records, 3.7°C (6.7°F) above the long-run average.
- 7 of the 10 warmest Augusts on record in Marseille have come since 2012.
At least 1 mm of rain falls on 8% of August days, and the month averages 31 mm in total.
Warmest: 2026 (34.4°C)Latest: 2026 (34.4°C)10-year averageLong-run average (29.6°C)
Look Up a Day in August
See the weather in Marseille on any August date, year by year.
Source: NOAA GHCN-Daily, Marseille Obs. Palais-Lonchamp (1971–2003); Marseilles-Marignane (2003–2026). Averages cover 1971–2026. How we compute this