December weather forecast
Geneva, Switzerland

As the last month of the year approaches, Geneva gets swathed in a distinct winter ambiance. Temperatures take a dive to an average high of 5.3°C (41.5°F), resurfacing memories of biting winds and snowfalls. December marks the return of architecturally brilliant cityscapes cloaked under the snowy semblance. The average snowfall spikes to a substantial 74mm (2.91"), perfect for introducing the joy of a Swiss winter. The dreamy aura of December, under bleak daylight hours and the sporadic peeping sun, sets an idyllic end to the year in Geneva.

Temperature

The advent of December in Geneva brings a slight shift in average high-temperature, moving from a chilly 8.8°C (47.8°F) in November to a cold 5.3°C (41.5°F). Throughout December, Geneva experiences a low-temperature average of 0.1°C (32.2°F).

Humidity

January, November and December, with an average relative humidity of 81%, are the most humid months.

Rainfall

In Geneva, during December, the rain falls for 10 days and regularly aggregates up to 90mm (3.54") of precipitation. In Geneva, during the entire year, the rain falls for 109 days and collects up to 1006mm (39.61") of precipitation.

Snowfall

January through April, November and December are months with snowfall in Geneva. In December, it is snowing for 2 days. Throughout December, 74mm (2.91") of snow is accumulated. In Geneva, Switzerland, during the entire year, snow falls for 8.2 days and aggregates up to 321mm (12.64") of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 42min of daylight.
On the first day of the month, sunrise is at 07:58 and sunset at 16:51. On the last day of December, sunrise is at 08:17 and sunset at 16:59 CET.

Sunshine

The month with the least sunshine is December, with an average of 1.6h of sunshine.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.