Marseille weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Excellent
Best time to visit: April – October
What is the weather like in Marseille in August?
In August, Marseille is hot: daytime highs average 28 °C, and even at night it stays warm at around 20 °C. The sea averages 22.5 °C – refreshing for a swim. With around 11 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 25 mm in total. On about 6 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Marseille.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 93 | 93 | 95 |
| Day | 28° | 28° | 24° |
| Night | 20° | 20° | 17° |
| Sea | 21° | 23° | 21° |
| Sun | 12 h | 11 h | 9 h |
| Rain days | 2 | 3 | 6 |
More details for August
- Daylight
- 14 h 1 min06:43 – 20:44
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 12 daysdew point 18 °C or more
- Wind
- 19 km/haverage daily peak
- Cloud cover
- 30 %on average
- Hot days
- 6 days30 °C or more
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 50 %86 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
Marseille in August: quick answers
Is Marseille hot in August?
Yes. In August, Marseille is hot: daytime highs average 28 °C and nights stay around 20 °C. On about 6 days the thermometer climbs to 30 °C or more.
Can you swim in Marseille in August?
Yes. In August the sea averages 22.5 °C – refreshing for a swim.
Does it rain much in Marseille in August?
Rain is rare: about 3 days bring 25 mm in total.
Marseille month by month
The whole year in MarseilleAll destinations: FranceWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)