Measurements:
°C
°F
CURRENT WEATHER
14:23
Cassis
58°F
SE 7 mph
Feels like: 56°F
Precip: 87%
World Resorts France Cassis Weather

7 Day Weather Forecast

12.17
wed
DAY
56°F
SE 7 mph
precip
0%
NIGHT
56°F
SW 3 mph
precip
76%
12.18
thu
DAY
56°F
W 11 mph
precip
0%
NIGHT
56°F
W 15 mph
precip
0%
12.19
fri
DAY
58°F
W 16 mph
precip
87%
NIGHT
56°F
W 9 mph
precip
0%
12.20
sat
DAY
56°F
W 12 mph
precip
100%
NIGHT
56°F
W 18 mph
precip
100%
12.21
sun
DAY
56°F
NW 4 mph
precip
100%
NIGHT
54°F
NW 14 mph
precip
80%
12.22
mon
DAY
56°F
NW 24 mph
precip
100%
NIGHT
54°F
W 19 mph
precip
100%
12.23
tue
DAY
54°F
W 22 mph
precip
100%
NIGHT
52°F
W 22 mph
precip
100%

Cassis Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Cassis was 16.2°F. The maximum and minimum values were 15.7°F and 16.9°F respectively.

Cassis on the Weather Map

Best Time to Visit Cassis
The most sunny months:
July 29 days
August 28 days
June 25 days
The most warm months:
August 85.3 °F
July 85.2 °F
June 79.2 °F
Warmest sea temperature:
August 77.4 °F
July 75.3 °F
September 74.8 °F
The most cold months:
January 51.6 °F
February 52.6 °F
December 54.3 °F
The most rainy months:
November 4 days
October 3 days
December 3 days
The most windy months:
January 13 mph
March 12 mph
February 12 mph
more details