World Resorts Switzerland Lake Geneva Weather

Lake Geneva Sea Temperature in October

Average sea water temperature in October:
+59.1°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:
2026
2025
2024

The average sea water temperature in October of 2026 was 63.9°F. The highest and lowest sea temperatures during the month were 68.0°F and 58.8°F.

Monthly sea water temperature in Lake Geneva, °F

Which Switzerland resorts have warmest sea in October?

Place name October 2026 October 2025
Gstaad 64.4°F 60.7°F
Verbier 64.4°F 60.7°F
Montreux 64.4°F 60.7°F
Vevey 64.3°F 60.7°F
Lausanne 64.0°F 60.6°F
Lake Geneva 63.9°F 60.4°F
Geneva 63.8°F 60.7°F
St Gallen 62.3°F 57.9°F
Winterthur 60.3°F 58.4°F
Zurich 60.2°F 58.4°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 3 mph
Feels like: +46°F
Precip.: 23%
Places in Switzerland:
Name
°F
+45°F
+39°F
+39°F
+41°F
+41°F
+48°F
+48°F
+46°F
+52°F
+39°F
+43°F
+37°F
+34°F
+43°F
+46°F
24 Hours Forecast
Lake Geneva
Local time: 08:59
October 29, thursday
0900
48°F
S
3 mph
1200
54°F
SE
4 mph
1500
54°F
S
6 mph
1800
37°F
SW
3 mph
2100
37°F
W
2 mph
October 30, friday
0000
36°F
SW
2 mph
0300
37°F
SW
2 mph
0600
43°F
SW
3 mph
Units of measurement: °C / °F