Lake Geneva Weather: December
 |
Average Day Temperature: | 40.2°F |
|
Average Night Temperature: | 33.2°F |
|
Sea Water Temperature: | 48.3°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 8.6 - 8.9 hours | |
|
Number of Rainy Days: | 6 days |
| Precipitation Totals: | 4.4 in | |
|
Number of Snowy Days: | 2 days |
| detailed information | ||
forecast
| Lake Geneva |
Temperature
| Lake Geneva |
Air Temperature in December, °F
The highest day temperature in December 2025 was 53°F. The lowest night temperature was 25°F. The average values for day and night temperatures during December were 43.8°F и 37.8°F respectivly.
Lake Geneva Water Sea Temperature in December, °F
The average sea surface temperature in December 2025 for Lake Geneva was 48.1°F. The maximum and minimum values were 45.2°F and 50.0°F respectively.
You can expect various weather conditions during December. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in December, in
Precipitation total in December for Lake Geneva is 4.4 in. It makes december the most rainy month of the year.
The average wind speed in December is 5.8 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Lake Geneva in December is 4.9 hours.
Lake Geneva on the Weather Map
| Basle |  |
+24 |
| Berne |  |
+28 |
| Geneva | |
+28 |
| Gstaad |  |
+20 |
| Lake Geneva | |
+30 |
| Lausanne | |
+30 |
| Lucerne | |
+26 |
| Lugano |  |
+20 |
| Montreux | |
+18 |
| St Gallen | |
+26 |
| Verbier | |
+4 |
| Vevey | |
+18 |
| Winterthur | |
+26 |
| Zermatt | |
-6 |
| Zurich | |
+28 |
| 0000 |  |
30°F | NE 10 mph |
| 0300 | |
26°F | E 6 mph |
| 0600 |  |
24°F | E 3 mph |
| 0900 |  |
22°F | W 0 mph |
| 1200 |  |
30°F | SW 5 mph |
| 1500 |  |
30°F | S 6 mph |
| 1800 |  |
26°F | S 4 mph |
| 2100 | |
26°F | S 3 mph |