World Resorts Switzerland Lake Geneva Weather

Lake Geneva weather in December

Weather in Lake Geneva: December

Average day temperature: 41.0°F
Average night temperature: 34.5°F
Sea water temperature: 48.5°F
Number of sunny days: 12 days
Day length: 8.6 - 8.9 hours
Number of days with precipitation: 8 days
Precipitation totals: 4.7 in.

Air temperature in December, °F

Show year:
2024
2023
2022

The highest day temperature during December of 2024 was 53°F. At the same time the lowest night temperature was 23°F. Daily and nightly averages during December were 41.3°F and 35.3°F.

Sea water temperature in Lake Geneva in December, °F

Show year:
2024
2023
2022

The average sea water temperature in December of 2024 was 49.0°F. The highest and lowest sea temperatures during the month were 51.3°F and 46.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in Lake Geneva in December is 5.0 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 5.7 mph It makes December one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 4.0.

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
+39°F
SE 4 mph
Feels like: +36°F
Precip.: 100%
Places in Switzerland:
Name
°F
+39°F
+36°F
+30°F
+27°F
+34°F
+28°F
+39°F
+39°F
+39°F
+41°F
+32°F
+30°F
+36°F
+14°F
+36°F
24 Hours Forecast
Lake Geneva
Local time: 07:24
December 05, friday
0900
39°F
S
4 mph
1200
41°F
SW
3 mph
1500
43°F
W
2 mph
1800
41°F
W
2 mph
2100
39°F
NE
3 mph
December 06, saturday
0000
37°F
NE
6 mph
0300
39°F
NE
7 mph
0600
41°F
NE
9 mph
Units of measurement: °C / °F