World Resorts France Chamonix Weather

Chamonix Sea Temperature in October

Average sea water temperature in October:
+58.7°F
Minimum sea water temperature in October: 67.1°F
Maximum sea water temperature in October: 32.0°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 60.3°F. The highest and lowest sea temperatures during the month were 64.9°F and 56.3°F.

Monthly sea water temperature in Chamonix, °F

Which France resorts have warmest sea in October?

Place name October 2025 October 2024
Aiacciu 72.1°F 69.1°F
Corsica 71.9°F 69.0°F
Propriano 71.8°F 68.9°F
Calvi 71.6°F 69.1°F
Bunifaziu 71.4°F 68.9°F
Bastia 71.0°F 69.3°F
Portivecju 70.8°F 69.1°F
Roquebrune Cap Martin 69.8°F 69.4°F
Saint Jean Cap Ferrat 69.8°F 69.5°F
Menton 69.8°F 69.4°F
Nice 69.6°F 69.3°F
Theoule Sur Mer 69.6°F 68.9°F
Mandelieu la Napoule 69.6°F 68.9°F
Cannes 69.4°F 68.9°F
Saint Laurent du Var 69.4°F 69.0°F
Antibes 69.3°F 68.8°F
Juan les Pins 69.3°F 68.8°F
Golfe Juan 69.3°F 68.8°F
Cagnes sur Mer 69.3°F 68.9°F
Frejus 69.1°F 68.6°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
+21°F
SW 1 mph
Feels like: +21°F
Precip.: 62%
Places in France:
Name
°F
+50°F
+50°F
+46°F
+45°F
+46°F
+52°F
+46°F
+52°F
+46°F
+46°F
+37°F
+45°F
+48°F
+43°F
+43°F
24 Hours Forecast
Chamonix
Local time: 09:24
December 05, friday
1200
27°F
SE
4 mph
1500
27°F
SE
3 mph
1800
21°F
N
1 mph
2100
16°F
NW
6 mph
December 06, saturday
0000
21°F
N
5 mph
0300
23°F
N
6 mph
0600
27°F
N
6 mph
0900
30°F
N
5 mph
Units of measurement: °C / °F