World Resorts Switzerland Lake Geneva Weather

Lake Geneva 14 Days Forecast

21.12
sun
Day
46°F
S 4 mph
Precip.
0%
Night
43°F
SW 1 mph
Precip.
0%
22.12
mon
Day
45°F
S 7 mph
Precip.
0%
Night
41°F
NE 5 mph
Precip.
0%
23.12
tue
Day
43°F
SE 2 mph
Precip.
80%
Night
41°F
SW 6 mph
Precip.
0%
24.12
wed
Day
39°F
SW 19 mph
Precip.
82%
Night
36°F
SW 19 mph
Precip.
100%
25.12
thu
Day
34°F
SW 14 mph
Precip.
43%
Night
34°F
SW 14 mph
Precip.
73%
26.12
fri
Day
32°F
SW 15 mph
Precip.
79%
Night
28°F
SW 14 mph
Precip.
88%
27.12
sat
Day
27°F
SW 13 mph
Precip.
70%
Night
25°F
SW 14 mph
Precip.
74%
28.12
sun
Day
28°F
SW 11 mph
Precip.
80%
Night
25°F
SW 21 mph
Precip.
86%
29.12
mon
Day
27°F
SW 21 mph
Precip.
0%
Night
23°F
SW 13 mph
Precip.
0%
30.12
tue
Day
28°F
SW 12 mph
Precip.
0%
Night
25°F
SW 12 mph
Precip.
0%
31.12
wed
Day
27°F
S 6 mph
Precip.
21%
Night
25°F
S 5 mph
Precip.
0%
01.01
thu
Day
30°F
E 1 mph
Precip.
57%
Night
28°F
SW 9 mph
Precip.
74%
02.01
fri
Day
28°F
SW 16 mph
Precip.
0%
Night
25°F
SW 11 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 49.1°F. The highest and lowest sea temperatures during the month were 50.0°F and 48.0°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 46.3°F. The highest and lowest sea temperatures during the month were 47.3°F and 45.0°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

Sunniest months:
August 19 days
July 16 days
September 16 days
Warmest months:
August 74.4 °F
July 73.7 °F
June 69.5 °F
Warmest sea temp:
August 69.8 °F
July 68.6 °F
September 65.8 °F
Coldest months:
January 38.6 °F
December 41.0 °F
February 41.8 °F
Rainiest months:
June 7 days
May 7 days
July 6 days
Windiest months:
January 6.5 mph
February 6.0 mph
December 5.8 mph

Lake Geneva on a weather map

Lake Geneva
+43°F
SW 4 mph
Feels like: +41°F
Precip.: 0%
Places in Switzerland:
Name
°F
+41°F
+34°F
+34°F
+25°F
+34°F
+27°F
+39°F
+43°F
+32°F
+43°F
+45°F
+39°F
+34°F
+37°F
+34°F
24 Hours Forecast
Lake Geneva
Local time: 01:30
December 21, sunday
0300
43°F
SW
4 mph
0600
43°F
S
4 mph
0900
43°F
SW
4 mph
1200
46°F
S
4 mph
1500
48°F
S
2 mph
1800
45°F
S
3 mph
2100
43°F
SW
2 mph
December 22, monday
0000
43°F
SW
1 mph
Units of measurement: °C / °F