World Resorts France Cassis Weather

Cassis sea water temperature

Current sea water temperature:
+72.1°F
Minimum sea water temperature in September: 80.2°F
Maximum sea water temperature in September: 64.4°F
Average sea water temperature in September: 72.4°F

Sea water temperature for the last 10 days:

September 14 72.1°F September 9 77.7°F
September 13 70.9°F September 8 77.0°F
September 12 71.8°F September 7 75.2°F
September 11 73.8°F September 6 74.7°F
September 10 75.7°F September 5 75.0°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:
2026
2025
2024

The average sea water temperature in August of 2026 was 78.2°F. The highest and lowest sea temperatures during the month were 82.8°F and 72.1°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 77.4°F. The highest and lowest sea temperatures during the month were 81.0°F and 72.9°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.

Best time for vacation in Cassis

Sunniest months:
July 29 days
August 28 days
June 25 days
Warmest months:
August 81.9 °F
July 81.8 °F
June 76.4 °F
Warmest sea temp:
August 74.8 °F
July 73.1 °F
September 72.3 °F
Coldest months:
January 51.3 °F
February 52.5 °F
December 53.9 °F
Rainiest months:
November 4 days
October 3 days
December 3 days
Windiest months:
January 13.6 mph
March 13.1 mph
February 12.8 mph

Cassis on a weather map

Cassis
+73°F
NW 2 mph
Feels like: +77°F
Precip.: 7%
Places in France:
Name
°F
+73°F
+68°F
+64°F
+73°F
+72°F
+73°F
+75°F
+75°F
+72°F
+72°F
+77°F
+75°F
+75°F
+73°F
+66°F
24 Hours Forecast
Cassis
Local time: 03:47
September 15, tuesday
0600
72°F
SW
2 mph
0900
73°F
W
2 mph
1200
75°F
N
6 mph
1500
75°F
N
8 mph
1800
75°F
N
5 mph
2100
73°F
N
2 mph
September 16, wednesday
0000
72°F
SE
2 mph
0300
72°F
SE
2 mph
Units of measurement: °C / °F