World Resorts France Cassis Weather

Cassis Sea Temperature in December

Average sea water temperature in December:
+60.3°F
Minimum sea water temperature in December: 64.4°F
Maximum sea water temperature in December: 57.2°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 60.9°F. The highest and lowest sea temperatures during the month were 62.4°F and 59.7°F.

Monthly sea water temperature in Cassis, °F

Which France resorts have warmest sea in December?

Place name December 2025 December 2024
Calvi 61.9°F 61.6°F
Aiacciu 61.9°F 61.7°F
Saint Jean Cap Ferrat 61.8°F 61.4°F
Bunifaziu 61.8°F 61.9°F
Roquebrune Cap Martin 61.8°F 61.3°F
Corsica 61.7°F 61.7°F
Menton 61.7°F 61.2°F
Nice 61.7°F 61.2°F
Propriano 61.6°F 61.7°F
Saint Laurent du Var 61.5°F 61.1°F
Cagnes sur Mer 61.4°F 61.1°F
Antibes 61.4°F 61.0°F
Juan les Pins 61.4°F 61.0°F
Cannes 61.4°F 61.0°F
Theoule Sur Mer 61.4°F 61.0°F
Mandelieu la Napoule 61.4°F 61.0°F
Bastia 61.4°F 61.7°F
Golfe Juan 61.3°F 61.0°F
Cavalaire sur Mer 61.3°F 60.9°F
Le Lavandou 61.2°F 60.5°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 76.3 °F
Warmest sea temp:
August 74.6 °F
July 72.8 °F
September 72.3 °F
Coldest months:
January 51.4 °F
February 52.3 °F
December 53.9 °F
Rainiest months:
November 4 days
October 3 days
December 3 days
Windiest months:
January 13.4 mph
March 13.0 mph
February 12.7 mph

Cassis on a weather map

Cassis
+50°F
SE 18 mph
Feels like: +45°F
Precip.: 0%
Places in France:
Name
°F
+36°F
+46°F
+54°F
+54°F
+46°F
+50°F
+48°F
+48°F
+52°F
+43°F
+46°F
+50°F
+50°F
+27°F
+50°F
24 Hours Forecast
Cassis
Local time: 18:50
January 08, thursday
2100
50°F
SE
12 mph
January 09, friday
0000
50°F
E
5 mph
0300
50°F
S
4 mph
0600
50°F
SE
20 mph
0900
48°F
SE
24 mph
1200
52°F
E
27 mph
1500
50°F
E
27 mph
1800
48°F
E
32 mph
Units of measurement: °C / °F