July is the hottest month in Cassis with an average temperature of 26°C (79°F) and the coldest is January at 7°C (45°F) with the most daily sunshine hours at 12 in July. The wettest month is September with an average of 82mm of rain. The best month to swim in the sea is in August when the average sea temperature is 24°C (75°F).
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Sunrise 07:20
Sunset 17:23