Temp
1° C
average
Rain
18 mm
per month
Sun
55 %
chance
Humidity
71 %
average
What’s the weather like in Slovenia in December?
December marks the beginning of winter in Slovenia. The weather during this month is cold, with temperatures dropping significantly, especially in the higher altitude areas. The country experiences a mix of sunny and cloudy days, with occasional rainfall and snowfall.
Average daily temperatures
In December, temperatures in Slovenia can vary depending on the region. In the coastal areas, such as Piran and Koper, the average daily temperature ranges from 5°C to 10°C (41°F to 50°F). In the central part of the country, including Ljubljana, the capital city, temperatures range between 0°C to 5°C (32°F to 41°F). In the Alpine region, like Bled and Kranjska Gora, temperatures can drop below freezing, with averages ranging from -5°C to 0°C (23°F to 32°F).
Sunshine and rainfall
December in Slovenia experiences shorter daylight hours, resulting in limited sunshine. The country gets only around two to three hours of sunshine per day. Rainfall is quite common during this month, with an average of 16 to 19 rainy days. The precipitation varies across the regions, with coastal areas receiving around 100 mm of rainfall, while the Alpine region receives heavier rainfall, often in the form of snow.