December weather forecastVilnius, Lithuania

Weather in December

The celebratory month of December in Vilnius brings along frozen landscapes and shimmering lights. As the city glistens under the winter sun, a festive spirit engulfs the residents. The transition from fall to winter is complete with temperatures hovering between -5.2°C (22.6°F) and -0.5°C (31.1°F). An air of anticipation fills Vilnius as the year draws to a close amidst celebrations, cold weather, and enchanting snowfalls.

Temperature

A modest decline in the average high-temperature is seen during December, decreasing from a wintry 3.5°C (38.3°F) in November to a freezing cold -0.5°C (31.1°F). A slight dip in temperature to -5.2°C (22.6°F) marks the average nights during December.

Humidity

The average relative humidity in December is 89%.

Rainfall

In Vilnius, in December, it is raining for 21.2 days, with typically 49mm (1.93") of accumulated precipitation. Throughout the year, there are 174.9 rainfall days, and 654mm (25.75") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 7h and 24min of daylight.
On the first day of December, sunrise is at 08:18 and sunset at 15:57. On the last day of the month, sunrise is at 08:41 and sunset at 16:02 EET.

Sunshine

With an average of 0.8h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 0. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 0 during December translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Around midday, solar radiation is most harmful; hence, exposure should be limited. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.