Slovenia in December
December is one of Slovenia's weaker months (rank 11 of 12): its 4 destinations average 57/100, led by Kranjska Gora at 84 — 0°C and 9 rainy days — while Piran is warmer at 9°C and scores 49.
#11 of 12 months for Slovenia · 4 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Slovenia in December
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Kranjska Gora | Ski resort | 0°C | 105 mm · 9 days | 84 tier A | Yes |
| 2 | Piran | Beach | 9°C | 110 mm · 10 days | 49 tier F | — |
| 3 | Bled | City | 3°C | 113 mm · 9 days | 48 tier F | — |
| 4 | Ljubljana | City | 3°C | 108 mm · 7 days | 47 tier F | — |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means December is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.
What's on in Slovenia in December
- Festive December · Ljubljana · 27 Nov – 15 Jan