December weather forecast
Lucerne, Switzerland

The arrival of December in Lucerne marks the onset of winter, as temperatures continue to plummet. Snowfall becomes more significant this month, accumulating up to 146mm (5.75") over 7.9 days. The combination of reduced daylight and significant snowfall wields a hushed ambiance in the city. The Alpine beauty dons a blanket of white snow, signaling the start of the winter sports season. Despite being the darkest month, December carries a festive vibe stoked by the holiday season and winter sports.

Temperature

With the onset of December, Lucerne's average high-temperature slightly adjusts, moderately receding from November's chilly 7.8°C (46°F) to an icy 4.3°C (39.7°F). Lucerne records a consistent low-temperature of -1°C (30.2°F) during December nights.

Humidity

November and December, with an average relative humidity of 84%, are the most humid months in Lucerne.

Rainfall

In Lucerne, during December, the rain falls for 10 days and regularly aggregates up to 72mm (2.83") of precipitation. In Lucerne, during the entire year, the rain falls for 132.2 days and collects up to 1174mm (46.22") of precipitation.

Snowfall

Months with snowfall in Lucerne are January through April, October through December. In December, in Lucerne, it is snowing for 7.9 days. Throughout December, 146mm (5.75") of snow is accumulated. In Lucerne, during the entire year, snow falls for 21.1 days and aggregates up to 660mm (25.98") of snow.

Daylight

The month with the shortest days in Lucerne is December, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 07:52 and sunset at 16:39. On the last day of December, in Lucerne, sunrise is at 08:12 and sunset at 16:47 CET.

Sunshine

December has the least sunshine of the year in Lucerne, with an average of 1.2h 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: In December, a daily UV index of 1 turns into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.