Current sea water temperature:
+61.2°F
| Minimum sea water temperature in December: | 64.4°F |
| Maximum sea water temperature in December: | 57.2°F |
| Average sea water temperature in December: | 60.3°F |
| more information | |
14 days
forecast
forecast
| Cassis |
monthly
weather
weather
| Cassis |
Sea water temperature for the last 10 days:
| December 21 | 61.2°F | December 16 | 60.4°F |
| December 20 | 61.3°F | December 15 | 60.8°F |
| December 19 | 61.5°F | December 14 | 60.6°F |
| December 18 | 61.0°F | December 13 | 60.3°F |
| December 17 | 61.5°F | December 12 | 61.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Cassis?
Based on the data about daily sea water temperature for the last three years the warmest sea in Cassis was noticed in August, July and September.
Monthly Sea Temperatures in Cassis, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 74.7°F. The highest and lowest sea temperatures during the month were 79.2°F and 67.6°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 73.1°F. The highest and lowest sea temperatures during the month were 81.1°F and 64.6°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.
current
weather
weather
| Cassis |
weather in
December
December
| Cassis |
Best time for vacation in Cassis
Cassis on a weather map
Places in France:
Name
°F
24 Hours Forecast
Cassis
Local time: 12:18
December 21, sunday
1500
54°F
W
28 mph
28 mph
1800
54°F
NW
23 mph
23 mph
2100
54°F
W
27 mph
27 mph
December 22, monday
0000
54°F
W
30 mph
30 mph
0300
54°F
W
25 mph
25 mph
0600
54°F
W
24 mph
24 mph
0900
54°F
W
25 mph
25 mph
1200
54°F
W
28 mph
28 mph
