December weather forecast
Vienna, Austria

As December progresses, winter settles deeply in Vienna, providing a chilly backdrop for the festive season. The landscape becomes vastly white with an ample amount of 164mm (6.46") snowfall, making it the month with the third-highest snowfall. Despite the severe cold, Vienna, adorning a wintry blanket, shines brightly with yuletide decorations. Smaller daylight hours (8.4 hours) coupled with the plunging temperatures necessitate warm overcoats and other cold-weather gear to keep the travelers snug.

Temperature

December indicates a minor shift in the average high-temperature, from November's chilly 8.1°C (46.6°F) to a cold 4.6°C (40.3°F). Vienna, during December nights, witnesses an average temperature marginally cooler than its daytime highs, at a still icy 0.5°C (32.9°F).

Rainfall

In Vienna, Austria, in December, it is raining for 7.6 days, with typically 35mm (1.38") of accumulated precipitation. Throughout the year, there are 88 rainfall days, and 548mm (21.57") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Vienna, Austria. In Vienna, Austria, in December, 164mm (6.46") of snow is typically accumulated. Throughout the year, in Vienna, 683mm (26.89") of snow is accumulated.

Daylight

The month with the shortest days in Vienna is December, with an average of 8h and 24min of daylight.
On the first day of December, sunrise is at 07:24 and sunset at 16:02. On the last day of the month, sunrise is at 07:45 and sunset at 16:10 CET.

Sunshine

The month with the least sunshine is December, with an average of 1.7h 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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 1 during December leads to these advisories:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.