Daytime highs, nighttime lows and the warmest cities across Slovenia this December.
Slovenia, experiences low average maximum daytime temperatures in December, ranging from 2°C (36°F) in Podkoren to 11°C (52°F) in Piran. Nighttime temperatures generally drop to 7°C (45°F) in Piran and -5°C (23°F) in Podkoren. In December, it is winter.
Find the average daytime temperatures in December for the most popular destinations in Slovenia on the map below. Click on a destination dot for more detailed information.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Slovenia.
Marker color shows the average daytime high temperature in December: blue is cold, red is hot.
Drill down to December weather for any region in Slovenia.
Pick a city to see its December weather averages.
Ljubljana averages a daytime high of 5°C (41°F) in December, which is low for Slovenia.
After dark, Ljubljana cools to about -2°C (28°F) on an average December night.
Based on our systematic data collection, Piran has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 11°C (52°F), while at night it goes down to an approximate temperature of 7°C (45°F).
In our database, Podkoren is the chilliest city in December in Slovenia. Daytime temperatures typically peak at 2°C (36°F), while the nighttime lows hover around -5°C (23°F).
Most cities witness limited sunny days; expect roughly 57 hours of sunlight in Ljubljana. This subdued sunlight is perfect for those who prefer cooler, cloudier weather rather than intense sunny days.
We have much more information about the climate in Slovenia.
Weather and climate has detailed information for every country in the world. Are you going to Slovenia? Get detailed historical weather averages for many cities in Slovenia.
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