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 48.2°F. The highest and lowest sea temperatures during the month were 49.8°F and 46.2°F.

Monthly sea water temperature in Chamonix, °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 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 29.7 °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
+28°F
NW 5 mph
Feels like: +23°F
Precip.: 0%
Places in France:
Name
°F
+32°F
+46°F
+50°F
+45°F
+48°F
+48°F
+52°F
+50°F
+50°F
+45°F
+46°F
+52°F
+45°F
+28°F
+50°F
24 Hours Forecast
Chamonix
Local time: 04:40
January 13, tuesday
0600
28°F
NW
5 mph
0900
30°F
NW
6 mph
1200
36°F
NW
5 mph
1500
34°F
N
5 mph
1800
25°F
NW
7 mph
2100
25°F
NW
7 mph
January 14, wednesday
0000
25°F
NW
7 mph
0300
25°F
NW
6 mph
Units of measurement: °C / °F