Measurements:
°C
°F
Lake Geneva
82°F
NE 11 mph
Feels like: 82°F
Precip: 1%
World Resorts Switzerland Lake Geneva Weather

7 Day Weather Forecast

08.19
wed
DAY
80°F
E 5 mph
precip
1%
NIGHT
68°F
NW 7 mph
precip
18%
08.20
thu
DAY
72°F
E 4 mph
precip
13%
NIGHT
62°F
N 3 mph
precip
33%
08.21
fri
DAY
58°F
NE 4 mph
precip
49%
NIGHT
60°F
NW 3 mph
precip
45%
08.22
sat
DAY
68°F
SE 5 mph
precip
42%
NIGHT
58°F
S 1 mph
precip
76%
08.23
sun
DAY
64°F
S 5 mph
precip
12%
NIGHT
60°F
N 3 mph
precip
55%
08.24
mon
DAY
60°F
NE 4 mph
precip
51%
NIGHT
54°F
SE 3 mph
precip
92%
08.25
tue
DAY
52°F
N 4 mph
precip
64%
NIGHT
60°F
W 3 mph
precip
14%

Lake Geneva Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Lake Geneva was 24.7°F. The maximum and minimum values were 23.8°F and 25.4°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 76.8 °F
June 72.0 °F
Warmest sea temperature:
August 72.0 °F
July 71.1 °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
December 6 days
The most windy months:
January 6 mph
February 6 mph
December 6 mph