Climate · Ljubljana

Ljubljana in December

Chilly and damp, as the days hold steady.

Typical weather, averaged over 30 years

December in Ljubljana is chilly: highs near 43°F, lows near 29°F. Rain or snow falls on about two days a week, less often as the month goes on, and daylight holds at about 8 hours 42 minutes.December in Ljubljana is chilly: highs near 6°C, lows near -2°C. Rain or snow falls on about two days a week, less often as the month goes on, and daylight holds at about 8 hours 42 minutes.

High
43°F6°Caverage
Low
29°F-2°Caverage
Wet days
2a week · 34% of days
Daylight
8h 42mon average

Is December a good time to visit Ljubljana?


December sits outside Ljubljana's best months, which run from June to September. Expect chilly days and rain or snow on about two days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How December sits in the year

week by week

Temperature

Highs near 43°F in December, against 42°F to 81°F through the year.Highs near 6°C in December, against 6°C to 27°C through the year.

Chance of a wet day

34% of days in December, against 30% to 50% through the year.

Cloud cover

60% cover in December, against 42% to 64% through the year.

Daylight

8h 42m in December, against 8h 42m to 15h 41m through the year.

Week by week, lightly smoothed, with December shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side


  1. November54°12°low 39°low 4°3 wet days a weekRain on about three days a week.
  2. December43°6°low 29°low -2°2 wet days a weekRain on about two days a week.
  3. January42°6°low 27°low -3°2 wet days a weekRain on about two days a week.

Where Ljubljana sits, in December

Europe/Ljubljana

this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
7:37 AMsets 4:17 PM
Above the sea
290 mlow-lying
Latitude
46.0°Nnorthern hemisphere
Nearest of ours
our one place here

The land around Ljubljana, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Ljubljana is our one place in Slovenia so far. Clock times are local, for the 15th.

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Ljubljana. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.