December weather forecast
Slovenia

December in Slovenia signifies the onset of the winter season, bringing with it colder temperatures and an increase in snowfall. Across the country, average temperatures generally vary from -1°C (30.2°F) to 4°C (39.2°F). In the capital, Ljubljana, the typical temperature ranges from -1°C (30.2°F) to 5°C (41°F). Coastal areas like Koper, influenced by the Adriatic Sea, experience milder temperatures, typically fluctuating from 4°C (39.2°F) to 9°C (48.2°F). In contrast, mountainous areas such as Kranjska Gora witness temperatures often remaining below 0°C (32°F), with significant snowfall.

Precipitation in December is primarily in the form of snow, particularly in the higher regions, marking the start of the ski season in Slovenia. The country receives up to 90mm (3.54") of precipitation during this month. The snow cover, coupled with the chilly weather, creates a wintry atmosphere throughout the country.

Daylight hours in December are at their shortest, with sunrise usually occurring around 7:30 am and sunset taking place near 4:00 pm. This means shorter days and longer nights, typical of the winter season. Compared to November, December is significantly colder with the transition from rain to snow. Despite the cold weather, the scenic snow-covered landscapes and the festive atmosphere make December an appealing time for those wishing to experience a winter holiday in Slovenia.

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• Ljubljana - December »
  December has the shortest days of the year in Ljubljana, with an average of 8h and 42min of daylight. In Ljubljana, during December, the rain falls for 14 days and regularly aggregates up to 107mm (4.21") of precipitation.
• Maribor - December »
  In Maribor in December, during 6.1 snowfall days, 113mm (4.45") of snow is typically accumulated. In Maribor, Slovenia, during December, snow falls for 6.1 days and regularly aggregates up to 113mm (4.45") of snow.
• Celje - December »
  In Celje, Slovenia, during December, the rain falls for 9.9 days and regularly aggregates up to 46mm (1.81") of precipitation. In Celje, during December, snow falls for 4.9 days and regularly aggregates up to 81mm (3.19") of snow.
• Koper - December »
  On the first day of December in Koper sunrise is at 07:25 and sunset at 16:23. With an average of 8h and 48min of daylight, December has the shortest days of the year in Koper, Slovenia.
• Ptuj - December »
  January, November and December, with an average of 3h of sunshine, are months with the least sunshine in Ptuj, Slovenia. The months with the lowest UV index in Ptuj are January, November and December, with an average maximum UV index of 1.
• Trbovlje - December »
  In Trbovlje in December, during 4.9 snowfall days, 81mm (3.19") of snow is typically accumulated. In Trbovlje in December, during 4.9 snowfall days, 81mm (3.19") of snow is typically accumulated.
• Kamnik - December »
  In Kamnik in December, snow falls for 5 days, with typically accumulated 100mm (3.94") of snow. In Kamnik, Slovenia, during December, the rain falls for 10.5 days and regularly aggregates up to 53mm (2.09") of precipitation.