Month guide · Ljubljana · Slovenia
Ljubljana in December
What December is really like in Ljubljana: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
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Quick answer
December is a shoulder-season month. Expect average highs of 4°C (39°F), lows of -2°C (28°F), about 11 rainy days and roughly 8.7 hours of daylight. Festive December brings lights over the river and Christmas market stalls along the embankments.
Key facts
- Average high / low
- 4°C (39°F) / -2°C (28°F)
- Rainy days
- About 11
- Daylight
- About 8.7 hours
- Crowds
- Moderate
- Hotel prices
- Average
Weather in December
December is the coolest month in Ljubljana: days average 4°C (39°F) against a yearly average high of 16°C (61°F), and nights fall to about -2°C (28°F). Rain falls on roughly 11 of its 31 days. Compared with November (10°C (50°F)), December is cooler; by January highs stay near 4°C (39°F).
- Sunrise (15 December)
- About 07:38
- Sunset (15 December)
- About 16:17
- Daylight
- About 8.7 hours
Winter (December–February). Cold and often foggy, with the festive December market and lights; January and February are the quietest and lowest-priced months.
Crowds and prices
On a 1–5 scale, December rates 3 for crowds (the peak is July at 5) and 3 for hotel prices (highest in July). Prices sit in the middle of the year's range.
Events in December
- Festive December — Christmas market and lights along the Ljubljanica (usually late November to early January)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in December
With cold days, plan around indoor sights and keep outdoor time flexible.
Architecture · Trnovo and Krakovo
Križanke
A former monastery of the Teutonic Knights, Križanke was remodelled by Plečnik in the 1950s into an open-air theatre with arcaded courtyards.
- Time needed
- 30 minutes
- Cost
- Free
- Architecture
- After dark
- Couples
- Free
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Nature · Tacen
Šmarna Gora
Try the inn's ričet, a barley and bean stew, which is the traditional reward for the climb.
- Time needed
- Half a day
- Cost
- Free
- Outdoors
- Active
- Views
- Free
- Nature
Religious site · Old Town
Ljubljana Cathedral (St Nicholas)
The green-domed Baroque cathedral of St Nicholas, completed in the early 18th century, is covered inside with ceiling frescoes by Giulio Quaglio.
- Time needed
- 30 minutes
- Cost
- Free
- Free
- History
- Art
- Rainy day
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Gallery · Center
National Gallery of Slovenia
Start in the Impressionist rooms; they are the heart of the collection and rarely crowded.
- Time needed
- 1.5–2 hours
- Cost
- Low cost
- Art
- Rainy day
- History
What to pack
For highs near 4°C, lows near -2°C and 11 wet days: a warm coat, hat, gloves and thermal layers; shoes with good grip for icy pavements; a packable rain jacket for showers; comfortable walking shoes.
Is December a good time to visit Ljubljana?
A shoulder-season month, with a notable event on the calendar. If your dates are flexible, May–June and September are better overall. Compare every month.
Ljubljana in other months
Questions travellers ask
+Is December a good time to visit Ljubljana?
It is a shoulder-season month. Festive December brings lights over the river and Christmas market stalls along the embankments.
+How warm is Ljubljana in December?
Average highs are around 4°C (39°F) and lows around -2°C (28°F).
+Does it rain a lot in Ljubljana in December?
Expect rain on about 11 days of the month.