World Resorts France Chamonix Weather

Chamonix Sea Temperature in December

Average sea water temperature in December:
+48.6°F
Minimum sea water temperature in December: 53.1°F
Maximum sea water temperature in December: 44.4°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 48.7°F. The highest and lowest sea temperatures during the month were 49.8°F and 47.3°F.

Monthly sea water temperature in Chamonix, °F

Which France resorts have warmest sea in December?

Place name December 2025 December 2024
Aiacciu 62.2°F 61.7°F
Calvi 62.2°F 61.6°F
Bunifaziu 62.2°F 61.9°F
Corsica 62.2°F 61.7°F
Saint Jean Cap Ferrat 62.1°F 61.4°F
Roquebrune Cap Martin 62.0°F 61.3°F
Menton 62.0°F 61.2°F
Propriano 62.0°F 61.7°F
Bastia 61.9°F 61.7°F
Nice 61.9°F 61.2°F
Saint Laurent du Var 61.7°F 61.1°F
Cagnes sur Mer 61.7°F 61.1°F
Juan les Pins 61.7°F 61.0°F
Antibes 61.7°F 61.0°F
Cavalaire sur Mer 61.7°F 60.9°F
Theoule Sur Mer 61.7°F 61.0°F
Mandelieu la Napoule 61.7°F 61.0°F
Cannes 61.7°F 61.0°F
Golfe Juan 61.6°F 61.0°F
Le Lavandou 61.5°F 60.5°F

Best time for vacation in Chamonix

Sunniest months:
August 17 days
October 16 days
July 15 days
Warmest months:
July 63.6 °F
August 62.9 °F
June 60.1 °F
Warmest sea temp:
August 69.9 °F
July 68.7 °F
September 65.7 °F
Coldest months:
January 27.1 °F
December 29.5 °F
February 30.0 °F
Rainiest months:
June 11 days
May 10 days
July 9 days
Windiest months:
January 4.9 mph
December 4.8 mph
February 4.7 mph

Chamonix on a weather map

Chamonix
+25°F
NW 6 mph
Feels like: +18°F
Precip.: 0%
Places in France:
Name
°F
+32°F
+48°F
+48°F
+45°F
+52°F
+52°F
+54°F
+54°F
+50°F
+50°F
+39°F
+52°F
+45°F
+25°F
+41°F
24 Hours Forecast
Chamonix
Local time: 00:13
December 24, wednesday
0300
25°F
NW
6 mph
0600
23°F
NW
5 mph
0900
23°F
NW
5 mph
1200
30°F
W
1 mph
1500
28°F
E
0 mph
1800
23°F
NW
5 mph
2100
23°F
NW
8 mph
December 25, thursday
0000
19°F
NW
9 mph
Units of measurement: °C / °F