World Resorts Switzerland Lake Geneva Weather

Lake Geneva Sea Temperature in January

Average sea water temperature in January:
+44.3°F
Minimum sea water temperature in January: 49.1°F
Maximum sea water temperature in January: 32.0°F

Daily sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 45.0°F. The highest and lowest sea temperatures during the month were 47.7°F and 42.8°F.

Monthly sea water temperature in Lake Geneva, °F

Which Switzerland resorts have warmest sea in January?

Place name January 2026 January 2025
Geneva 46.4°F 47.1°F
Lake Geneva 45.0°F 46.3°F
Lausanne 44.9°F 46.1°F
Montreux 44.9°F 45.9°F
Verbier 44.9°F 45.9°F
Gstaad 44.9°F 45.9°F
Vevey 44.9°F 46.0°F
St Gallen 42.5°F 43.3°F
Zurich 42.1°F 42.9°F
Winterthur 42.1°F 42.9°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 41.2 °F
February 41.8 °F
Rainiest months:
June 7 days
May 7 days
July 6 days
Windiest months:
January 6.4 mph
February 6.0 mph
December 5.8 mph

Lake Geneva on a weather map

Lake Geneva
+55°F
SE 1 mph
Feels like: +55°F
Precip.: 0%
Places in Switzerland:
Name
°F
+57°F
+55°F
+48°F
+41°F
+54°F
+46°F
+55°F
+55°F
+54°F
+54°F
+55°F
+48°F
+50°F
+30°F
+52°F
24 Hours Forecast
Lake Geneva
Local time: 13:31
February 25, wednesday
1500
57°F
NE
2 mph
1800
48°F
NW
1 mph
2100
46°F
NW
1 mph
February 26, thursday
0000
45°F
N
2 mph
0300
43°F
N
2 mph
0600
41°F
N
2 mph
0900
50°F
NE
1 mph
1200
57°F
NE
1 mph
Units of measurement: °C / °F