Ljubljana in December
Festive December
By Daan · Last reviewed October 2026
The short answer
December is one of the weakest months in Ljubljana.
December brings Festive December, with lights, markets and events across the old town.
December in detail
What December actually feels like
- Weather
- -1–4°C
- Cold, with fog and some snow.
- Crowds
- Moderate
- Busy in the evenings.
- Prices
- €€
- Fair rates.
+Lights, markets and events.
–Cold days.
My tip for December
Walk the old town after dark, when the lights are on.
- Christmas
- Food
How December compares
Against the other eleven months
12th of 12 overall in Ljubljana, 10th for weather, 7th for space, 7th for value. The emptiest month is January; the best value is January.
See all twelve months for LjubljanaPlan around
What’s on in Ljubljana in December
- Winter fog
- Cold, foggy days are common in the basin.
November–February
Not set on December?
Months I'd choose over December
Also good in December
Weather
Weather in Ljubljana in December
In December Ljubljana averages a high of 4°C (39°F) and a low of -1°C (30°F), with about 104 mm of rain or snow over 14 wet days. The warmest month is July (around 28°C) and the coolest is January (around 4°C); the wettest month is September.
- Average high
- 4°C
- 39°F
- Average low
- -1°C
- 30°F
- Precipitation
- 104 mm
- Wet days
- 14
Climate data: Slovenian Environment Agency (ARSO), Ljubljana Bežigrad 1991–2020. Temperatures are averages of daily highs and lows.
Quick answers
Ljubljana in December: the questions people ask
- Is December a good time to visit Ljubljana?
- December is one of the weakest months in Ljubljana. It ranks 12 of 12 months in Ljubljana overall (10 for weather, 7 for space, 7 for value). The main upside: Lights, markets and events. The main downside: Cold days.
- What is the weather like in Ljubljana in December?
- Average highs are around 4°C and lows around -1°C. Expect about 104 mm of rain or snow over roughly 14 wet days. Cold, with fog and some snow. For comparison, the warmest month is July (around 28°C) and the coolest is January (around 4°C).
- Is Ljubljana crowded in December?
- Crowds are moderate. Busy in the evenings. The quietest month is January.
- How expensive is Ljubljana in December?
- Prices are at level 2 of 5 (€€). Fair rates. The best-value month is January.
- When is the best time to visit Ljubljana?
- In the CrowdFreeViews month scores, June is the best month overall (December ranks 12 of 12). The quietest month is January and the best value is January.
Still going to Ljubljana in December?
Book early and plan around the busiest hours — cold days.
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