World Resorts Switzerland Lake Geneva Weather

Lake Geneva 14 Days Forecast

19.12
fri
Day
46°F
N 1 mph
Precip.
0%
Night
45°F
E 1 mph
Precip.
100%
20.12
sat
Day
48°F
SE 1 mph
Precip.
0%
Night
45°F
S 2 mph
Precip.
0%
21.12
sun
Day
48°F
S 3 mph
Precip.
0%
Night
45°F
NE 2 mph
Precip.
0%
22.12
mon
Day
43°F
S 6 mph
Precip.
100%
Night
41°F
SW 9 mph
Precip.
66%
23.12
tue
Day
45°F
S 4 mph
Precip.
0%
Night
39°F
S 5 mph
Precip.
68%
24.12
wed
Day
41°F
S 6 mph
Precip.
0%
Night
37°F
SW 11 mph
Precip.
0%
25.12
thu
Day
37°F
SW 13 mph
Precip.
74%
Night
36°F
SW 13 mph
Precip.
81%
26.12
fri
Day
36°F
SW 9 mph
Precip.
49%
Night
34°F
S 7 mph
Precip.
75%
27.12
sat
Day
37°F
S 7 mph
Precip.
24%
Night
34°F
SW 9 mph
Precip.
56%
28.12
sun
Day
34°F
SW 12 mph
Precip.
21%
Night
28°F
S 12 mph
Precip.
0%
29.12
mon
Day
32°F
SW 9 mph
Precip.
0%
Night
28°F
S 6 mph
Precip.
0%
30.12
tue
Day
36°F
S 5 mph
Precip.
0%
Night
30°F
S 6 mph
Precip.
0%
31.12
wed
Day
34°F
S 5 mph
Precip.
0%
Night
30°F
SE 2 mph
Precip.
0%
01.01
thu
Day
41°F
NE 6 mph
Precip.
0%
Night
39°F
NE 7 mph
Precip.
100%

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
+45°F
N 1 mph
Feels like: +45°F
Precip.: 78%
Places in Switzerland:
Name
°F
+43°F
+36°F
+36°F
+23°F
+37°F
+25°F
+41°F
+45°F
+30°F
+45°F
+36°F
+39°F
+36°F
+39°F
+39°F
24 Hours Forecast
Lake Geneva
Local time: 21:20
December 20, saturday
0000
45°F
E
1 mph
0300
45°F
SW
3 mph
0600
45°F
SW
4 mph
0900
45°F
SW
2 mph
1200
48°F
SE
1 mph
1500
50°F
SW
3 mph
1800
46°F
SW
5 mph
2100
45°F
S
4 mph
Units of measurement: °C / °F