Sun, sea & sand

Cassis weather in July

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

93

Holiday weather in July

Excellent

Best time to visit: July – August

What is the weather like in Cassis in July?

In July, Cassis is warm: daytime highs average 26 °C, and even at night it stays warm at around 20 °C. The sea averages 22.0 °C – refreshing for a swim. With around 12 hours of sunshine a day, there is plenty of sun. Rain is rare: about 2 days bring 15 mm in total. All in all, July is an excellent month for a holiday in Cassis.

July compared

How the weather changes from June to August. Tap a month to open it.

JuneJunJulyJulAugustAug
Score809397
Day24°26°27°
Night18°20°21°
Sea20°22°23°
Sun11 h12 h11 h
Rain days523

More details for July

Daylight
15 h 6 min06:11 – 21:17
UV index
9 · very highclear sky, noon (estimate)All months
Muggy days
12 daysdew point 18 °C or moreAll months
Wind
21 km/haverage daily peakAll months
Cloud cover
24 %on averageAll months
Hot days
1 day30 °C or moreAll months
Time zone
UTC+2Europe/Paris

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %71 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 20 %100 %

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

What to pack in July

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes

Cassis in July: quick answers

Is Cassis hot in July?

Warm rather than hot: in July, daytime highs in Cassis average 26 °C and nights cool to about 20 °C.

Can you swim in Cassis in July?

Yes. In July the sea averages 22.0 °C – refreshing for a swim.

Does it rain much in Cassis in July?

Rain is rare: about 2 days bring 15 mm in total.

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