Slovenia in December

Ljubljana's lights and markets; ski season opens.

December is rated mixed. These months rate higher:

• MayGreatGreen valleys, cave visits without queues; high trails still snowy.
• JuneGreatExcellent: long days, open passes, sea warming.
• SeptemberGreatBest month: warm sea, clear mountains, fewer people.
• AprilGoodSpring in Ljubljana and the Karst; waterfalls full; Vršič may still be shut.

• Ljubljana and the centre · Ljubljana, Škofja Loka, Mariborcool

  Continental: foggy winters in the Ljubljana basin, warm summers with storms.

• Julian Alps · Bled, Bohinj, Kranjska Gora, Boveccool

  Snow December–March; hiking June–September; the Soča side is among the wettest places in Europe in autumn.

• Karst and coast · Piran, Izola, Koper, Lipicacool

  Mediterranean; the bora wind blasts the Karst in winter; sea swimming June–September.

• Coast and Karst: Coast (Koper, Izola, Piran, Portorož) · Adriatic shorecool

  Mediterranean; sea swimming roughly May–October, warmest Jul–Aug. Bora wind can blow cold in winter.

• Coast and Karst: Karst plateau (Postojna, Divača, Sežana) · Inland limestonecool

  Caves stay about 8–12 °C (46–54 °F) all year; the plateau is cooler and windier than the coast.Caves stay about 46–54 °F (8–12 °C) all year; the plateau is cooler and windier than the coast.

• Eastern Slovenia: Maribor / Ptuj · Drava valleycool

  Continental: warm summers, cold winters, rain spread through the year.

• Eastern Slovenia: Prekmurje · Mura plaincool

  Slightly drier and flatter; fog can sit for days in late autumn and winter.

• Julian Alps: Julian Alps · Bled, Bohinj, Soča valley, Kranjska Goracold

  Valley summers are mild; afternoon thunderstorms June–August. Snow closes high passes in winter — check local conditions and seasonal closures before driving up a valley.

• Pohorje-Savinjska: Pohorje plateau · Ridge above 1,000 m, west and east of the summitsnow

  Cooler and wetter than the valleys; snow cover on the ridge typically December to March, and the ski season depends on it.

• Pohorje-Savinjska: Savinja valley and Celje basin · Celje, Laško, Slovenske Konjice, Slovenj Gradeccold

  Valley heat in July and August; afternoon thunderstorms are common in summer.

• Southeastern Slovenia: Novo Mesto / Brežice · Krka and Sava valleyscold

  Continental valley climate: warm summers, cold winters with snow; spring and autumn are the pick. Check current forecasts before travelling.

• Ljubljana3 °C (37 °F) / -1 °C (30 °F), 11 rain days37 °F (3 °C) / 30 °F (-1 °C), 11 rain days
• Bled3 °C (37 °F) / -4 °C (25 °F), 9 rain days37 °F (3 °C) / 25 °F (-4 °C), 9 rain days
• Bovec4 °C (39 °F) / -3 °C (27 °F), 9 rain days39 °F (4 °C) / 27 °F (-3 °C), 9 rain days
• Brežice5 °C (41 °F) / -2 °C (28 °F), 9 rain days41 °F (5 °C) / 28 °F (-2 °C), 9 rain days
• Celje5 °C (41 °F) / -1 °C (30 °F), 8 rain days41 °F (5 °C) / 30 °F (-1 °C), 8 rain days
• Divača9 °C (48 °F) / 0 °C (32 °F), 12 rain days48 °F (9 °C) / 32 °F (0 °C), 12 rain days
• Dovje-Mojstrana2 °C (36 °F) / -4 °C (25 °F), 8 rain days36 °F (2 °C) / 25 °F (-4 °C), 8 rain days
• Grosuplje5 °C (41 °F) / -1 °C (30 °F), 10 rain days41 °F (5 °C) / 30 °F (-1 °C), 10 rain days
• Idrija5 °C (41 °F) / -1 °C (30 °F), 8 rain days41 °F (5 °C) / 30 °F (-1 °C), 8 rain days
• Izola11 °C (52 °F) / 4 °C (39 °F), 9 rain days52 °F (11 °C) / 39 °F (4 °C), 9 rain days
• Jesenice3 °C (37 °F) / -3 °C (27 °F), 9 rain days37 °F (3 °C) / 27 °F (-3 °C), 9 rain days
• Jezersko5 °C (41 °F) / -1 °C (30 °F), 10 rain days41 °F (5 °C) / 30 °F (-1 °C), 10 rain days
• Kamnik4 °C (39 °F) / -3 °C (27 °F), 9 rain days39 °F (4 °C) / 27 °F (-3 °C), 9 rain days
• Kobarid5 °C (41 °F) / -2 °C (28 °F), 9 rain days41 °F (5 °C) / 28 °F (-2 °C), 9 rain days
• Koper10 °C (50 °F) / 4 °C (39 °F), 9 rain days50 °F (10 °C) / 39 °F (4 °C), 9 rain days
• Kranj6 °C (43 °F) / -1 °C (30 °F), 9 rain days43 °F (6 °C) / 30 °F (-1 °C), 9 rain days
• Kranjska Gora2 °C (36 °F) / -4 °C (25 °F), 8 rain days36 °F (2 °C) / 25 °F (-4 °C), 8 rain days
• Lendava5 °C (41 °F) / 0 °C (32 °F), 11 rain days41 °F (5 °C) / 32 °F (0 °C), 11 rain days
• Lipica8 °C (46 °F) / 2 °C (36 °F), 7 rain days46 °F (8 °C) / 36 °F (2 °C), 7 rain days
• Maribor4 °C (39 °F) / -2 °C (28 °F), 10 rain days39 °F (4 °C) / 28 °F (-2 °C), 10 rain days
• Murska Sobota4 °C (39 °F) / -2 °C (28 °F), 6 rain days39 °F (4 °C) / 28 °F (-2 °C), 6 rain days
• Nova Gorica6 °C (43 °F) / 0 °C (32 °F), 9 rain days43 °F (6 °C) / 32 °F (0 °C), 9 rain days
• Novo Mesto6 °C (43 °F) / -1 °C (30 °F), 10 rain days43 °F (6 °C) / 30 °F (-1 °C), 10 rain days
• Piran10 °C (50 °F) / 4 °C (39 °F), 9 rain days50 °F (10 °C) / 39 °F (4 °C), 9 rain days
• Portorož11 °C (52 °F) / 3 °C (37 °F), 9 rain days52 °F (11 °C) / 37 °F (3 °C), 9 rain days
• Postojna5 °C (41 °F) / 0 °C (32 °F), 12 rain days41 °F (5 °C) / 32 °F (0 °C), 12 rain days
• Ptuj4 °C (39 °F) / -1 °C (30 °F), 8 rain days39 °F (4 °C) / 30 °F (-1 °C), 8 rain days
• Ribnica4 °C (39 °F) / -3 °C (27 °F), 7 rain days39 °F (4 °C) / 27 °F (-3 °C), 7 rain days
• Sevnica5 °C (41 °F) / -1 °C (30 °F), 9 rain days41 °F (5 °C) / 30 °F (-1 °C), 9 rain days
• Sežana6 °C (43 °F) / -1 °C (30 °F), 9 rain days43 °F (6 °C) / 30 °F (-1 °C), 9 rain days
• Škofja Loka4 °C (39 °F) / -2 °C (28 °F), 9 rain days39 °F (4 °C) / 28 °F (-2 °C), 9 rain days
• Slovenj Gradec3 °C (37 °F) / -4 °C (25 °F), 9 rain days37 °F (3 °C) / 25 °F (-4 °C), 9 rain days
• Srednja Dobrava5 °C (41 °F) / -1 °C (30 °F), 14 rain days41 °F (5 °C) / 30 °F (-1 °C), 14 rain days
• Tolmin6 °C (43 °F) / -1 °C (30 °F), 13 rain days43 °F (6 °C) / 30 °F (-1 °C), 13 rain days
• Trbovlje5 °C (41 °F) / -2 °C (28 °F), 9 rain days41 °F (5 °C) / 28 °F (-2 °C), 9 rain days
• Uskovnica3 °C (37 °F) / -2 °C (28 °F), 9 rain days37 °F (3 °C) / 28 °F (-2 °C), 9 rain days

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

• Christmas, Independence and Unity Day big impact

  25–26 Dec

  Shops closed; ski resorts busy.

• Christmas markets and festive lights check

  Late November to about Dec 30 · Ljubljana

  Stalls and lights along the river; evenings are crowded.

• Christmas Eve to Dec 26

  Dec 24–26 · Ljubljana

  Shops and most restaurants close; Dec 26 is Independence and Unity Day.

• Christmas

  Dec 24–26 · Ljubljana

  Shops and restaurants close on Dec 24–26; markets end before Christmas.

Crowds · Slovenia

Medium

Prices · Slovenia

Medium

Weather, crowds and prices for any two months in Slovenia, side by side.

• Layers: a fleece or light jacket

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Rated best or good this month

• Ljubljana

  Cold; Christmas lights and markets; check Dec 24–26 closures.

• Kranjska Gora

  Best months: Dec–Mar for skiing; Jun–Sep for hiking and cycling