World Resorts France Cassis Weather

Cassis sea water temperature

Current sea water temperature:
+80.2°F
Minimum sea water temperature in July: 81.5°F
Maximum sea water temperature in July: 62.4°F
Average sea water temperature in July: 72.9°F

Sea water temperature for the last 10 days:

July 16 80.2°F July 11 78.3°F
July 15 79.3°F July 10 78.3°F
July 14 78.6°F July 9 76.5°F
July 13 78.6°F July 8 77.2°F
July 12 78.4°F July 7 75.4°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:
2026
2025
2024

The average sea water temperature in July of 2026 was 76.8°F. The highest and lowest sea temperatures during the month were 80.2°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 81.8 °F
July 81.7 °F
June 76.4 °F
Warmest sea temp:
August 74.6 °F
July 72.8 °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
+82°F
SE 6 mph
Feels like: +88°F
Precip.: 6%
Places in France:
Name
°F
+82°F
+77°F
+81°F
+82°F
+88°F
+84°F
+81°F
+75°F
+81°F
+93°F
+88°F
+86°F
+86°F
+99°F
+75°F
24 Hours Forecast
Cassis
Local time: 18:46
July 16, thursday
2100
82°F
SE
8 mph
July 17, friday
0000
81°F
NW
9 mph
0300
79°F
W
5 mph
0600
77°F
SW
3 mph
0900
81°F
N
2 mph
1200
82°F
NE
5 mph
1500
84°F
NE
6 mph
1800
82°F
E
7 mph
Units of measurement: °C / °F