World Resorts Switzerland Lake Geneva Weather

Lake Geneva Sea Temperature in October

Average sea water temperature in October:
+58.9°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
Montreux 60.7°F 60.1°F
Gstaad 60.7°F 60.1°F
Verbier 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 19 days
July 16 days
September 16 days
Warmest months:
August 74.4 °F
July 73.7 °F
June 69.5 °F
Warmest sea temp:
August 69.8 °F
July 68.6 °F
September 65.8 °F
Coldest months:
January 38.6 °F
December 41.0 °F
February 41.8 °F
Rainiest months:
June 7 days
May 7 days
July 6 days
Windiest months:
January 6.5 mph
February 6.0 mph
December 5.8 mph

Lake Geneva on a weather map

Lake Geneva
+39°F
S 4 mph
Feels like: +36°F
Precip.: 100%
Places in Switzerland:
Name
°F
+39°F
+36°F
+30°F
+21°F
+36°F
+32°F
+37°F
+39°F
+39°F
+43°F
+30°F
+30°F
+36°F
+16°F
+36°F
24 Hours Forecast
Lake Geneva
Local time: 08:15
December 05, friday
0900
39°F
S
4 mph
1200
41°F
SW
3 mph
1500
43°F
W
2 mph
1800
41°F
W
2 mph
2100
39°F
NE
3 mph
December 06, saturday
0000
37°F
NE
6 mph
0300
39°F
NE
7 mph
0600
41°F
NE
9 mph
Units of measurement: °C / °F