Slovenia
Ljubljana in December: weather & travel advice
This month's data profile
Clear transition month
Ljubljana in December is climatically mixed. The average daily high is around 4 °C. With about 10 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
33/100 · #11
Warmth
#11
Dryness
#4
Sun
#12
Published best categories: none
Ljubljana · DecemberPhoto: Jeremy Segrott from Cardiff, Wales, UK · CC BY 2.0Climate facts
- Average high
- 4 °C
- Average low
- -3 °C
- Rainy days (est.)
- 10 rainy days (est.)
- Sun (est.)
- 1 h/day
- Humidity
- 92 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| November | 9 | 2 | 13 | 117 | 1.7 | 90 | 0.1 | 32 |
| December (selected) | 4 | -3 | 10 | 88 | 1.3 | 92 | 0.2 | 33 |
| January | 3 | -4 | 9 | 64 | 1.7 | 91 | 0.4 | 37 |
How do the previous and next months compare?
Baseline: December (33/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| November | -1 | +5 °C | +4.3 °C | +2.4 | +29.1 mm | +0.4 h | -1.6 % | -0.1 m/s |
| January | +4 | -0.8 °C | -1.2 °C | -1.4 | -23.7 mm | +0.4 h | -0.4 % | +0.1 m/s |
All twelve months in context
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Where to stay in Ljubljana
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Frequently asked questions
How warm is Ljubljana in December?
The average daily high is around 4 °C, with an average daily low of about -3 °C.
Does it rain a lot in Ljubljana in December?
The curated estimate is about 10 rainy days per month, not a directly measured long-term average. Total precipitation averages around 88 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Ljubljana?
By the climate score, June, July, August and September are the strongest months for Ljubljana. December is not among them.