December weather forecast
Zürich, Switzerland

Zürich in December is a festive city shrouded in winter's embrace. With an increase in snowfall to 191mm (7.52"), the city transforms into a winter paradise. Even though the conditions are cold, and daylight scarce, the weather creates a truly magical Christmas atmosphere. The arrival of December marks the zenith of winter in Zürich, offering snowy landscapes and festive lights that are unforgettable.

Temperature

The arrival of December signals a subtle shift in temperature, down from a chilly 7.2°C (45°F) in November to an icy 3.7°C (38.7°F). Nights in Zürich, Switzerland, during December maintain a steady temperature, averaging at a subzero cold -0.7°C (30.7°F).

Humidity

The months with the highest humidity in Zürich are November and December, with an average relative humidity of 84%.

Rainfall

In Zürich, in December, during 11.4 rainfall days, 83mm (3.27") of precipitation is typically accumulated. Throughout the year, in Zürich, there are 133.9 rainfall days, and 1133mm (44.61") of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Zürich. In December, it is snowing for 4.8 days. Throughout December, 191mm (7.52") of snow is accumulated. Throughout the year, there are 20.4 snowfall days, and 850mm (33.46") of snow is accumulated.

Daylight

December has the shortest days of the year in Zürich, with an average of 8h and 30min of daylight.
On the first day of December, sunrise is at 07:52 and sunset at 16:37. On the last day of the month, sunrise is at 08:12 and sunset at 16:45 CET.

Sunshine

The month with the least sunshine is December, with an average of 1.4h of sunshine.

UV index

The months with the lowest UV index in Zürich are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 1 translates into these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.