Sun, sea & sand

Cassis weather in October

Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.

40

Holiday weather in October

Fair

Best time to visit: July – August

What is the weather like in Cassis in October?

In October, Cassis is mild: daytime highs average 20 °C, and nights cool down to about 15 °C. The sea averages 19.6 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain falls on about 8 days, adding up to 78 mm. All in all, October is a so-so month for a holiday in Cassis.

October compared

How the weather changes from September to November. Tap a month to open it.

SeptemberSepOctoberOctNovemberNov
Score794020
Day23°20°15°
Night18°15°11°
Sea22°20°17°
Sun9 h6 h5 h
Rain days6810

More details for October

Daylight
11 h 7 min07:50 – 18:57
UV index
3 · moderateclear sky, noon (estimate)All months
Muggy days
1 daydew point 18 °C or moreAll months
Wind
20 km/haverage daily peakAll months
Cloud cover
52 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+2Europe/Paris

How the score comes together

  • Temperatureweight 35 %13 %
  • Seaweight 25 %37 %
  • Sunshineweight 20 %55 %
  • Few rainy daysweight 20 %74 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Wetsuit for longer swims
  • Sunscreen
  • A jumper for the evenings

Cassis in October: quick answers

Is Cassis hot in October?

No. In October, Cassis is mild: daytime highs average 20 °C and nights drop to about 15 °C.

Can you swim in Cassis in October?

Only if you don't mind cold water: in October the sea averages just 19.6 °C. Comfortable swimming is possible from June to September.

Does it rain much in Cassis in October?

Rain falls on about 8 days, adding up to 78 mm.

Cassis month by month

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). Sources & licences