Measurements:
°C
°F
CURRENT WEATHER
17:57
Lake Geneva
62°F
S 2 mph
Feels like: 62°F
Precip: 75%
World Resorts Switzerland Lake Geneva Weather

7 Day Weather Forecast

05.07
thu
DAY
58°F
SE 1 mph
precip
100%
NIGHT
44°F
SW 2 mph
precip
0%
05.08
fri
DAY
62°F
S 2 mph
precip
100%
NIGHT
48°F
N 2 mph
precip
100%
05.09
sat
DAY
66°F
S 2 mph
precip
0%
NIGHT
52°F
SW 2 mph
precip
0%
05.10
sun
DAY
58°F
NE 6 mph
precip
100%
NIGHT
48°F
N 4 mph
precip
0%
05.11
mon
DAY
64°F
NE 14 mph
precip
100%
NIGHT
44°F
NE 6 mph
precip
100%
05.12
tue
DAY
50°F
SW 6 mph
precip
100%
NIGHT
38°F
SW 4 mph
precip
0%
05.13
wed
DAY
54°F
NE 4 mph
precip
0%
NIGHT
50°F
NE 9 mph
precip
100%

Lake Geneva Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Lake Geneva was 15.0°F. The maximum and minimum values were 13.9°F and 17.6°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