22.08
sat
sat
Day
77°F
SE 17 mph
Precip.
1%
1%
Night
75°F
SE 9 mph
Precip.
1%
1%
23.08
sun
sun
Day
79°F
N 6 mph
Precip.
1%
1%
Night
75°F
E 1 mph
Precip.
4%
4%
24.08
mon
mon
Day
81°F
NW 14 mph
Precip.
1%
1%
Night
77°F
NW 8 mph
Precip.
17%
17%
25.08
tue
tue
Day
82°F
NW 4 mph
Precip.
11%
11%
Night
77°F
NW 6 mph
Precip.
20%
20%
26.08
wed
wed
Day
82°F
NW 12 mph
Precip.
3%
3%
Night
81°F
W 6 mph
Precip.
23%
23%
27.08
thu
thu
Day
82°F
NW 19 mph
Precip.
14%
14%
Night
77°F
N 1 mph
Precip.
21%
21%
28.08
fri
fri
Day
79°F
NE 7 mph
Precip.
4%
4%
Night
75°F
SE 19 mph
Precip.
2%
2%
29.08
sat
sat
Day
73°F
SE 22 mph
Precip.
6%
6%
Night
75°F
SE 14 mph
Precip.
4%
4%
30.08
sun
sun
Day
75°F
SE 16 mph
Precip.
1%
1%
Night
73°F
E 8 mph
Precip.
4%
4%
31.08
mon
mon
Day
77°F
N 6 mph
Precip.
3%
3%
Night
75°F
NW 7 mph
Precip.
6%
6%
01.09
tue
tue
Day
79°F
E 12 mph
Precip.
4%
4%
Night
77°F
SE 24 mph
Precip.
1%
1%
02.09
wed
wed
Day
73°F
SE 27 mph
Precip.
1%
1%
Night
73°F
SE 22 mph
Precip.
1%
1%
03.09
thu
thu
Day
75°F
SE 21 mph
Precip.
1%
1%
Night
77°F
E 13 mph
Precip.
2%
2%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 80.0°F. The highest and lowest sea temperatures during the month were 82.8°F and 75.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 70.7°F. The highest and lowest sea temperatures during the month were 74.5°F and 66.6°F.
Air temperature in Cassis, °F
Precipitation total in Cassis, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cassis
Cassis on a weather map
Places in France:
Name
°F
24 Hours Forecast
Cassis
Local time: 00:54
August 22, saturday
0300
73°F
SE
13 mph
13 mph
0600
72°F
SE
12 mph
12 mph
0900
72°F
SE
11 mph
11 mph
1200
77°F
SE
17 mph
17 mph
1500
81°F
SE
18 mph
18 mph
1800
81°F
SE
16 mph
16 mph
2100
79°F
SE
12 mph
12 mph
August 23, sunday
0000
75°F
SE
9 mph
9 mph
