Ljubljana Weather in December
In December, Ljubljana averages a high of 4°C (39°F) and a low of -2°C (28°F), based on 54 years of historical weather data from LJUBLJANA BEZIGRAD.
4°C
Average high
39°F
-2°C
Average low
28°F
17°C
Record high
63°F · 2019
-21°C
Record low
-5°F · 1973
What to Expect in Ljubljana in December
Typical December days in Ljubljana reach 4°C (39°F) during the afternoon and cool to around -2°C (28°F) overnight. On average, measurable rain falls on about 40% of days this month. Over the past 54 years, December temperatures in Ljubljana have ranged from a record high of 17°C (2019) down to a record low of -21°C (1973).
For a day-by-day look or other months, see the full Ljubljana weather history.