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Ljubljana in December
Slovenia · 2026 climate averages

Ljubljana weather in December

Our take

Cool and moody. Best paired with warm rooms and long lunches.

11-year Open-Meteo data · 2015–2025
High
5.8°C
42°F
Low
-1.5°C
29°F
Rainfall
90mm
Sunshine
4.4h/day

Roughly 8 rainy days across the month, on average.

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Ljubljana hotels for December
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In december, Ljubljana settles into its cold, contemplative stillness. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.

Days average around 6°C (42°F), cooling to -2°C after sunset. Expect meaningful rain — some 8 wet days across the month. Pack accordingly and let the weather choose your afternoons.

These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.

§II · Pack

What to pack for Ljubljana in December

  • A properly warm coat — not a fashion piece
  • A compact travel umbrella — one you'll actually carry
  • A merino base layer for the cold evenings
  • Comfortable, broken-in walking shoes
  • A small daypack that won't look like a tourist beacon
§III · Stay

Where to stay in Ljubljana

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§V · Context

December vs. the rest of the year

How this month compares in Ljubljana. Tap any month to read more.

Similar in December

Other places with a similar climate right now

Frequently asked

Ljubljana in December — FAQ

Q01

Is December a good month for Ljubljana?

It is a fair time to visit — expect variable conditions and plan flexibility. In December, Ljubljana averages a high of 6°C (42°F) and a low of -2°C (29°F), with 90mm of rainfall across roughly 8 rainy days.

Q02

How warm does Ljubljana get in December?

The average high temperature in Ljubljana during December is 6°C (42°F), with an average low of -2°C (29°F). These figures are averaged from 11 complete years of daily records (2015–2025, Open-Meteo Archive).

Q03

Does it rain a lot in Ljubljana in December?

Ljubljana averages approximately 8 rainy days in December, with a total monthly rainfall of about 90mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.

Q04

What clothes should I bring to Ljubljana in December?

For Ljubljana in December, pack a warm winter coat, a merino base layer for evenings, a compact umbrella or waterproof jacket, comfortable walking shoes. These recommendations are based on 11 complete years of weather averages for this specific month.

Q05

Are there many tourists in Ljubljana in December?

Tourist crowds in Ljubljana during December are typically low — winter is off-season, meaning quiet streets and better hotel deals. Consider this when planning accommodation — prices track crowd levels closely.