Measurements:
°C
°F
Lake Geneva
66°F
SW 3 mph
Feels like: 66°F
Precip: 3%
World Resorts Switzerland Lake Geneva Weather

7 Day Weather Forecast

07.09
thu
DAY
84°F
SW 7 mph
precip
1%
NIGHT
66°F
SW 5 mph
precip
3%
07.10
fri
DAY
84°F
SW 1 mph
precip
2%
NIGHT
66°F
N 3 mph
precip
6%
07.11
sat
DAY
84°F
S 1 mph
precip
3%
NIGHT
60°F
N 2 mph
precip
39%
07.12
sun
DAY
84°F
S 2 mph
precip
2%
NIGHT
70°F
SW 2 mph
precip
3%
07.13
mon
DAY
88°F
NW 2 mph
precip
1%
NIGHT
72°F
NW 2 mph
precip
4%
07.14
tue
DAY
90°F
E 1 mph
precip
1%
NIGHT
74°F
NW 2 mph
precip
4%
07.15
wed
DAY
92°F
NE 2 mph
precip
1%
NIGHT
74°F
NE 7 mph
precip
17%

Lake Geneva Sea Water Temperature in July, °F

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Lake Geneva was 22.1°F. The maximum and minimum values were 20.8°F and 23.5°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 72.0 °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