18.12
thu
thu
Day

57°F
W 13 mph
Precip.
0%
0%
Night

55°F
W 15 mph
Precip.
0%
0%
19.12
fri
fri
Day

55°F
W 16 mph
Precip.
100%
100%
Night

55°F
W 11 mph
Precip.
72%
72%
20.12
sat
sat
Day

55°F
W 12 mph
Precip.
100%
100%
Night

55°F
W 17 mph
Precip.
100%
100%
21.12
sun
sun
Day

55°F
NW 22 mph
Precip.
100%
100%
Night

54°F
W 15 mph
Precip.
100%
100%
22.12
mon
mon
Day

52°F
NW 19 mph
Precip.
100%
100%
Night

52°F
W 15 mph
Precip.
100%
100%
23.12
tue
tue
Day

54°F
SE 11 mph
Precip.
0%
0%
Night

50°F
SE 8 mph
Precip.
0%
0%
24.12
wed
wed
Day

52°F
NW 12 mph
Precip.
81%
81%
Night

52°F
W 14 mph
Precip.
100%
100%
25.12
thu
thu
Day

52°F
W 16 mph
Precip.
100%
100%
Night

52°F
W 20 mph
Precip.
100%
100%
26.12
fri
fri
Day

52°F
W 19 mph
Precip.
100%
100%
Night

50°F
NE 7 mph
Precip.
100%
100%
27.12
sat
sat
Day

52°F
S 9 mph
Precip.
100%
100%
Night

50°F
SE 2 mph
Precip.
41%
41%
28.12
sun
sun
Day

54°F
W 4 mph
Precip.
57%
57%
Night

52°F
S 2 mph
Precip.
68%
68%
29.12
mon
mon
Day

54°F
NW 2 mph
Precip.
52%
52%
Night

52°F
NW 3 mph
Precip.
65%
65%
30.12
tue
tue
Day

52°F
SW 6 mph
Precip.
100%
100%
Night

50°F
W 11 mph
Precip.
0%
0%
31.12
wed
wed
Day

52°F
W 7 mph
Precip.
42%
42%
Night

50°F
W 5 mph
Precip.
100%
100%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 61.2°F. The highest and lowest sea temperatures during the month were 62.4°F and 60.3°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 57.9°F. The highest and lowest sea temperatures during the month were 58.6°F and 57.0°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: 10:33
December 18, thursday
1200

57°F
W
13 mph
13 mph
1500

57°F
W
16 mph
16 mph
1800

55°F
W
14 mph
14 mph
2100

55°F
W
16 mph
16 mph
December 19, friday
0000

55°F
W
15 mph
15 mph
0300

54°F
W
14 mph
14 mph
0600

54°F
W
16 mph
16 mph
0900

55°F
W
16 mph
16 mph



























