World Resorts Switzerland Lake Geneva Weather

Lake Geneva Sea Temperature in May

Average sea water temperature in May:
+55.2°F
Minimum sea water temperature in May: 67.6°F
Maximum sea water temperature in May: 32.0°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 60.0°F. The highest and lowest sea temperatures during the month were 67.6°F and 55.6°F.

Monthly sea water temperature in Lake Geneva, °F

Which Switzerland resorts have warmest sea in May?

Place name May 2026 May 2025
Montreux 61.1°F 59.4°F
Verbier 61.1°F 59.4°F
Gstaad 61.1°F 59.4°F
Zurich 61.0°F 60.4°F
Winterthur 61.0°F 60.3°F
Vevey 60.4°F 59.3°F
Geneva 60.3°F 59.7°F
Lake Geneva 60.0°F 58.9°F
St Gallen 59.9°F 59.4°F
Lausanne 59.8°F 58.8°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 42.1 °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

Current weather
07:06
Lake Geneva
+55°F
N 2 mph
Feels like: +55°F
Precip.: 100%
Places in Switzerland:
Name
°F
Berne
+54°F
Vevey
+52°F
Verbier
+41°F
Winterthur
+55°F
Gstaad
+45°F
Geneva
+54°F
Lake Geneva
+55°F
Interlaken
+50°F
Lausanne
+59°F
Lucerne
+54°F
Montreux
+52°F
St Gallen
+57°F
St Moritz
+37°F
Zermatt
+37°F
Zurich
+55°F
all places
24 Hours Forecast
Lake Geneva
Local time: 07:06
May 31, sunday
0900
68°F
NE
3 mph
1200
75°F
NE
3 mph
1500
73°F
SE
4 mph
1800
70°F
E
5 mph
2100
59°F
SE
4 mph
June 01, monday
0000
55°F
S
3 mph
0300
52°F
S
2 mph
0600
50°F
SW
2 mph
Units of measurement: °C / °F