World Resorts Switzerland Lake Geneva Weather

Lake Geneva Sea Temperature in May

Average sea water temperature in May:
+54.9°F
Minimum sea water temperature in May: 66.9°F
Maximum sea water temperature in May: 32.0°F

Daily sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 58.9°F. The highest and lowest sea temperatures during the month were 63.7°F and 57.0°F.

Monthly sea water temperature in Lake Geneva, °F

Which Switzerland resorts have warmest sea in May?

Place name May 2025 May 2024
Zurich 60.4°F 58.6°F
Winterthur 60.3°F 58.5°F
Geneva 59.7°F 56.6°F
Montreux 59.4°F 57.3°F
Gstaad 59.4°F 57.3°F
Verbier 59.4°F 57.3°F
St Gallen 59.4°F 57.5°F
Vevey 59.3°F 57.3°F
Lake Geneva 58.9°F 57.3°F
Lausanne 58.8°F 57.3°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 6.5 mph
February 6.0 mph
December 5.8 mph

Lake Geneva on a weather map

Current weather
02:34
Lake Geneva
+34°F
NE 10 mph
Feels like: +25°F
Precip.: 0%
Places in Switzerland:
Name
°F
Basle
+27°F
Berne
+27°F
Vevey
+23°F
Verbier
+9°F
Winterthur
+25°F
Gstaad
+14°F
Geneva
+27°F
Lake Geneva
+34°F
Lausanne
+34°F
Lugano
+25°F
Lucerne
+30°F
Montreux
+23°F
St Gallen
+28°F
Zermatt
+7°F
Zurich
+25°F
all places
24 Hours Forecast
Lake Geneva
Local time: 02:34
January 02, friday
0300
34°F
NE
10 mph
0600
32°F
E
10 mph
0900
32°F
E
9 mph
1200
37°F
NE
12 mph
1500
39°F
NE
13 mph
1800
34°F
E
11 mph
2100
34°F
NE
14 mph
January 03, saturday
0000
34°F
NE
11 mph
Units of measurement: °C / °F