Measurements:
°C
°F
CURRENT WEATHER
20:56
Lake Geneva
66°F
S 2 mph
Feels like: 66°F
Precip: 0%
World Resorts Switzerland Lake Geneva Weather

7 Day Weather Forecast

05.27
wed
DAY
80°F
SW 1 mph
precip
0%
NIGHT
62°F
SW 2 mph
precip
0%
05.28
thu
DAY
78°F
S 9 mph
precip
0%
NIGHT
60°F
SW 4 mph
precip
0%
05.29
fri
DAY
78°F
S 9 mph
precip
0%
NIGHT
60°F
SW 3 mph
precip
0%
05.30
sat
DAY
74°F
S 1 mph
precip
0%
NIGHT
62°F
N 4 mph
precip
0%
05.31
sun
DAY
72°F
NE 4 mph
precip
100%
NIGHT
52°F
SW 2 mph
precip
0%
06.01
mon
DAY
68°F
S 2 mph
precip
0%
NIGHT
56°F
NW 2 mph
precip
0%
06.02
tue
DAY
68°F
NE 9 mph
precip
100%
NIGHT
50°F
NE 5 mph
precip
100%

Lake Geneva Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Lake Geneva was 15.1°F. The maximum and minimum values were 13.1°F and 19.4°F respectively.

Lake Geneva on the Weather Map

Best Time to Visit Lake Geneva
The most sunny months:
August 19 days
July 16 days
September 16 days
The most warm months:
August 77.1 °F
July 76.3 °F
June 71.6 °F
Warmest sea temperature:
August 72.0 °F
July 70.7 °F
September 67.6 °F
The most cold months:
January 37.4 °F
December 40.2 °F
February 41.2 °F
The most rainy months:
June 7 days
May 7 days
July 6 days
The most windy months:
January 6 mph
February 6 mph
December 6 mph
more details