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 48.9°F. The highest and lowest sea temperatures during the month were 49.8°F and 48.0°F.

Monthly sea water temperature in Chamonix, °F

Which France resorts have warmest sea in December?

Place name December 2025 December 2024
Aiacciu 62.7°F 61.7°F
Bunifaziu 62.6°F 61.9°F
Corsica 62.6°F 61.7°F
Calvi 62.5°F 61.6°F
Bastia 62.5°F 61.7°F
Propriano 62.4°F 61.7°F
Saint Jean Cap Ferrat 62.2°F 61.4°F
Roquebrune Cap Martin 62.1°F 61.3°F
Menton 62.1°F 61.2°F
Nice 62.1°F 61.2°F
Theoule Sur Mer 61.9°F 61.0°F
Mandelieu la Napoule 61.9°F 61.0°F
Cannes 61.9°F 61.0°F
Juan les Pins 61.9°F 61.0°F
Antibes 61.9°F 61.0°F
Cavalaire sur Mer 61.9°F 60.9°F
Saint Laurent du Var 61.9°F 61.1°F
Golfe Juan 61.9°F 61.0°F
Cagnes sur Mer 61.9°F 61.1°F
Frejus 61.8°F 60.9°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
+30°F
NW 6 mph
Feels like: +23°F
Precip.: 70%
Places in France:
Name
°F
+39°F
+50°F
+54°F
+50°F
+52°F
+55°F
+54°F
+52°F
+52°F
+48°F
+50°F
+52°F
+52°F
+30°F
+50°F
24 Hours Forecast
Chamonix
Local time: 21:27
December 17, wednesday
0000
28°F
NW
5 mph
0300
28°F
NW
4 mph
0600
28°F
NW
3 mph
0900
28°F
NW
3 mph
1200
34°F
SW
1 mph
1500
34°F
W
2 mph
1800
27°F
NW
4 mph
2100
27°F
NW
5 mph
Units of measurement: °C / °F