Click on a day for an hourly weather forecast
The weather in Cassis in August is hot. The average temperatures are between 22°C and 27°C.
You can expect a few rainy days in Cassis during August, but usually the weather is comfortable in August.
Our weather forecast can give you a great sense of what weather to expect in Cassis in August 2026.
If you’re planning to visit Cassis in the near future, we highly recommend that you review the 14 day weather forecast for Cassis before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 11° / 7° | 5 | 26 | 0 | 84 mm | Ok | Cassis in January |
| February | 12° / 7° | 4 | 23 | 1 | 73 mm | Ok | Cassis in February |
| March | 14° / 9° | 4 | 27 | 0 | 69 mm | Good | Cassis in March |
| April | 16° / 12° | 4 | 26 | 0 | 88 mm | Good | Cassis in April |
| May | 19° / 15° | 3 | 28 | 0 | 76 mm | Good | Cassis in May |
| June | 24° / 19° | 2 | 28 | 0 | 50 mm | Perfect | Cassis in June |
| July | 26° / 21° | 2 | 29 | 0 | 27 mm | Perfect | Cassis in July |
| August | 27° / 22° | 1 | 30 | 0 | 28 mm | Perfect | Cassis in August |
| September | 24° / 19° | 3 | 27 | 0 | 65 mm | Perfect | Cassis in September |
| October | 20° / 15° | 5 | 26 | 0 | 136 mm | Good | Cassis in October |
| November | 15° / 12° | 5 | 25 | 0 | 149 mm | Good | Cassis in November |
| December | 12° / 8° | 4 | 27 | 0 | 77 mm | Ok | Cassis in December |