Measurements:
°C
°F
Lake Geneva
70°F
N 6 mph
Feels like: 70°F
Precip: 0%
World Resorts USA Lake Geneva Weather

7 Day Weather Forecast

05.14
thu
DAY
64°F
NW 4 mph
precip
0%
NIGHT
48°F
NW 9 mph
precip
0%
05.15
fri
DAY
62°F
N 17 mph
precip
0%
NIGHT
64°F
N 14 mph
precip
100%
05.16
sat
DAY
80°F
E 6 mph
precip
0%
NIGHT
64°F
NW 6 mph
precip
100%
05.17
sun
DAY
78°F
N 16 mph
precip
0%
NIGHT
72°F
N 20 mph
precip
0%
05.18
mon
DAY
76°F
NE 22 mph
precip
0%
NIGHT
74°F
N 22 mph
precip
100%
05.19
tue
DAY
58°F
E 20 mph
precip
20%
NIGHT
46°F
E 7 mph
precip
0%
05.20
wed
DAY
64°F
E 9 mph
precip
0%
NIGHT
58°F
N 7 mph
precip
0%

Lake Geneva Sea Water Temperature in May, °F

Select Year: 2025 2024

The average sea surface temperature in May 2025 for Lake Geneva was 0.0°F. The maximum and minimum values were 0.0°F and 0.0°F respectively.

Lake Geneva on the Weather Map

Best Time to Visit Lake Geneva
The most sunny months:
September 15 days
August 13 days
October 13 days
The most warm months:
July 82.2 °F
August 81.7 °F
June 78.7 °F
Warmest sea temperature:
August 51.2 °F
October 45.6 °F
July 42.8 °F
The most cold months:
January 23.7 °F
February 28.8 °F
December 31.7 °F
The most rainy months:
April 3 days
May 3 days
June 2 days
The most windy months:
March 11 mph
April 11 mph
November 11 mph