December weather forecast
Ljubljana, Slovenia

December in Ljubljana is a true winter month with crisp air and lower temperatures. The city experiences the fewest daylight hours and the least sunshine in the year. This is combined with cold temperatures that often hover around freezing. The rainfall is prevalent throughout the month but is significantly lesser than that observed in the late summer and early fall months. Despite the chilly weather, the city’s ambiance remains warm and welcoming, adorned by holiday decorations and a festive spirit.

Temperature

Ljubljana's weather changes with the onset of December, slightly falling from a frosty 8.8°C in November to a cold 3.8°C. Ljubljana marks an average drop to a subzero cold -1.1°C during nighttime in December, following the high of the day.

Rainfall

In Ljubljana, during December, the rain falls for 14 days and regularly aggregates up to 107mm of precipitation. In Ljubljana, Slovenia, during the entire year, the rain falls for 151 days and collects up to 1361mm of precipitation.

Daylight

The month with the shortest days in Ljubljana is December, with an average of 8h and 42min of daylight.
On the first day of December in Ljubljana, sunrise is at 07:23 and sunset at 16:18. On the last day of the month, sunrise is at 07:43 and sunset at 16:25 CET.

Sunshine

With an average of 1.8h of sunshine, December has the least sunshine of the year.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Ljubljana. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.