World Resorts Switzerland Lake Geneva Weather

Lake Geneva Sea Temperature in October

Average sea water temperature in October:
+59.0°F
Minimum sea water temperature in October: 68.5°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 60.4°F. The highest and lowest sea temperatures during the month were 64.9°F and 56.7°F.

Monthly sea water temperature in Lake Geneva, °F

Which Switzerland resorts have warmest sea in October?

Place name October 2025 October 2024
Vevey 60.7°F 60.1°F
Geneva 60.7°F 59.7°F
Gstaad 60.7°F 60.1°F
Verbier 60.7°F 60.1°F
Montreux 60.7°F 60.1°F
Lausanne 60.6°F 60.1°F
Lake Geneva 60.4°F 60.0°F
Zurich 58.4°F 57.7°F
Winterthur 58.4°F 57.6°F
St Gallen 57.9°F 57.6°F

Best time for vacation in Lake Geneva

Sunniest months:
August 18 days
July 16 days
September 16 days
Warmest months:
August 74.5 °F
July 74.1 °F
June 69.8 °F
Warmest sea temp:
August 70.2 °F
July 69.0 °F
September 66.1 °F
Coldest months:
January 38.6 °F
December 41.2 °F
February 42.1 °F
Rainiest months:
June 7 days
May 7 days
December 6 days
Windiest months:
January 6.4 mph
February 6.0 mph
December 5.8 mph

Lake Geneva on a weather map

Lake Geneva
+48°F
S 8 mph
Feels like: +45°F
Precip.: 31%
Places in Switzerland:
Name
°F
+46°F
+39°F
+32°F
+46°F
+41°F
+50°F
+48°F
+45°F
+48°F
+43°F
+39°F
+48°F
+27°F
+48°F
+46°F
24 Hours Forecast
Lake Geneva
Local time: 07:28
October 09, friday
0900
48°F
S
6 mph
1200
54°F
S
4 mph
1500
59°F
SE
4 mph
1800
55°F
SE
2 mph
2100
52°F
SW
1 mph
October 10, saturday
0000
45°F
N
1 mph
0300
46°F
N
3 mph
0600
48°F
N
2 mph
Units of measurement: °C / °F