17.05
sun
sun
Day
54°F
E 1 mph
Precip.
0%
0%
Night
43°F
N 2 mph
Precip.
0%
0%
18.05
mon
mon
Day
54°F
E 2 mph
Precip.
100%
100%
Night
50°F
NE 4 mph
Precip.
100%
100%
19.05
tue
tue
Day
55°F
NE 6 mph
Precip.
100%
100%
Night
50°F
NE 4 mph
Precip.
0%
0%
20.05
wed
wed
Day
63°F
N 0 mph
Precip.
66%
66%
Night
50°F
W 2 mph
Precip.
0%
0%
21.05
thu
thu
Day
64°F
S 3 mph
Precip.
0%
0%
Night
52°F
W 2 mph
Precip.
0%
0%
22.05
fri
fri
Day
68°F
S 1 mph
Precip.
0%
0%
Night
55°F
NW 2 mph
Precip.
0%
0%
23.05
sat
sat
Day
72°F
NE 4 mph
Precip.
0%
0%
Night
55°F
N 4 mph
Precip.
0%
0%
24.05
sun
sun
Day
70°F
NE 16 mph
Precip.
0%
0%
Night
48°F
NE 8 mph
Precip.
100%
100%
25.05
mon
mon
Day
54°F
E 9 mph
Precip.
0%
0%
Night
43°F
SW 2 mph
Precip.
0%
0%
26.05
tue
tue
Day
61°F
SW 4 mph
Precip.
0%
0%
Night
50°F
SW 3 mph
Precip.
0%
0%
27.05
wed
wed
Day
68°F
SE 1 mph
Precip.
0%
0%
Night
55°F
NW 2 mph
Precip.
0%
0%
28.05
thu
thu
Day
72°F
E 1 mph
Precip.
0%
0%
Night
57°F
N 3 mph
Precip.
100%
100%
29.05
fri
fri
Day
70°F
NE 2 mph
Precip.
100%
100%
Night
55°F
W 3 mph
Precip.
0%
0%
30.05
sat
sat
Day
73°F
W 2 mph
Precip.
0%
0%
Night
66°F
NE 2 mph
Precip.
0%
0%
sea water
temperature
temperature
| Lake Geneva |
monthly
weather
weather
| Lake Geneva |
current
weather
weather
| Lake Geneva |
7 days
forecast
forecast
| Lake Geneva |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 57.8°F. The highest and lowest sea temperatures during the month were 59.4°F and 55.6°F.
Air temperature in Lake Geneva, °F
Precipitation total in Lake Geneva, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Lake Geneva
Lake Geneva on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
Lake Geneva
Local time: 12:55
May 17, sunday
1500
57°F
E
1 mph
1 mph
1800
59°F
E
2 mph
2 mph
2100
46°F
NW
2 mph
2 mph
May 18, monday
0000
43°F
N
2 mph
2 mph
0300
41°F
N
2 mph
2 mph
0600
43°F
N
2 mph
2 mph
0900
48°F
NE
4 mph
4 mph
1200
54°F
E
2 mph
2 mph
