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When to go · Slovenia

Slovenia in June

Great month. Excellent: long days, open passes, sea warming.

Key facts

Verdict
Great
Crowds
High
Slovenia
Prices
Medium
Slovenia

Verdict

GreatVoykit month rating for Slovenia

Excellent: long days, open passes, sea warming.

Is another month better than June?

No other month rates higher than June for Slovenia in this guide.

Weather in June

  • Ljubljana and the centre · Ljubljana, Škofja Loka, Mariborbest weather

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

  • Julian Alps · Bled, Bohinj, Kranjska Gora, Bovecbest weather

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

  • Karst and coast · Piran, Izola, Koper, Lipicabest weather

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

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

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

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

  • Eastern Slovenia: Prekmurje · Mura plainrainy

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

  • Julian Alps: Julian Alps · Bled, Bohinj, Soča valley, Kranjska Gorabest weather

    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 summitbest weather

    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 Gradecbest weather

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

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

  • Ljubljana25 °C (77 °F) / 14 °C (57 °F), 14 rain days
  • Bled23 °C (73 °F) / 11 °C (52 °F), 13 rain days
  • Bovec22 °C (72 °F) / 11 °C (52 °F), 14 rain days
  • Brežice26 °C (79 °F) / 14 °C (57 °F), 11 rain days
  • Celje26 °C (79 °F) / 16 °C (61 °F), 12 rain days
  • Divača27 °C (81 °F) / 16 °C (61 °F), 6 rain days
  • Dovje-Mojstrana22 °C (72 °F) / 11 °C (52 °F), 14 rain days
  • Grosuplje25 °C (77 °F) / 14 °C (57 °F), 4 rain days
  • Idrija24 °C (75 °F) / 13 °C (55 °F), 11 rain days
  • Izola27 °C (81 °F) / 17 °C (63 °F), 8 rain days
  • Jesenice24 °C (75 °F) / 12 °C (54 °F), 14 rain days
  • Jezersko25 °C (77 °F) / 15 °C (59 °F), 7 rain days
  • Kamnik24 °C (75 °F) / 12 °C (54 °F), 13 rain days
  • Kobarid24 °C (75 °F) / 14 °C (57 °F), 12 rain days
  • Koper27 °C (81 °F) / 17 °C (63 °F), 10 rain days
  • Kranj26 °C (79 °F) / 15 °C (59 °F), 6 rain days
  • Kranjska Gora23 °C (73 °F) / 12 °C (54 °F), 13 rain days
  • Lendava26 °C (79 °F) / 16 °C (61 °F), 6 rain days
  • Lipica26 °C (79 °F) / 17 °C (63 °F), 9 rain days
  • Maribor25 °C (77 °F) / 13 °C (55 °F), 13 rain days
  • Murska Sobota26 °C (79 °F) / 14 °C (57 °F), 10 rain days
  • Nova Gorica25 °C (77 °F) / 16 °C (61 °F), 3 rain days
  • Novo Mesto26 °C (79 °F) / 15 °C (59 °F), 8 rain days
  • Piran26 °C (79 °F) / 17 °C (63 °F), 9 rain days
  • Portorož27 °C (81 °F) / 17 °C (63 °F), 3 rain days
  • Postojna24 °C (75 °F) / 16 °C (61 °F), 6 rain days
  • Ptuj25 °C (77 °F) / 14 °C (57 °F), 9 rain days
  • Ribnica24 °C (75 °F) / 12 °C (54 °F), 11 rain days
  • Sevnica26 °C (79 °F) / 14 °C (57 °F), 11 rain days
  • Sežana26 °C (79 °F) / 16 °C (61 °F), 8 rain days
  • Škofja Loka25 °C (77 °F) / 13 °C (55 °F), 13 rain days
  • Slovenj Gradec23 °C (73 °F) / 11 °C (52 °F), 13 rain days
  • Srednja Dobrava24 °C (75 °F) / 15 °C (59 °F), 8 rain days
  • Tolmin26 °C (79 °F) / 15 °C (59 °F), 5 rain days
  • Trbovlje26 °C (79 °F) / 14 °C (57 °F), 12 rain days
  • Uskovnica20 °C (68 °F) / 11 °C (52 °F), 12 rain days

Festivals and holidays

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.

  • Statehood Day

    25 Jun

    Celebrations in Ljubljana; long weekend traffic.

  • Ljubljana Pride check

    June (check) · Ljubljana

    A parade and events; some streets close.

Crowds and prices

Crowds · Slovenia
High
Prices · Slovenia
Medium

Compare two months

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

  • Verdict

    Jun: Great

    May: Great

  • Crowds

    Jun: High

    May: Medium

  • Prices

    Jun: Medium

    May: Medium

  • Festivals listed

    Jun: 2

    May: 1

June: Excellent: long days, open passes, sea warming.

May: Green valleys, cave visits without queues; high trails still snowy.

Slovenia: figures are long-term averages from this guide, not a forecast.

What to pack

Nothing unusual for the weather this month.

Build the full packing list for your trip →

Where to go in June

Rated best or good this month

  • Ljubljana and the centre

    Best weather of the year (Ljubljana, Škofja Loka, Maribor)

  • Julian Alps

    Best weather of the year (Bled, Bohinj, Kranjska Gora, Bovec)

  • Karst and coast

    Best weather of the year (Piran, Izola, Koper, Lipica)

  • Ljubljana

    Warm; river evenings.

  • Bled

    Best months: May–Jun, Sep

  • Bovec

    Best months: Jun–Sep for rafting and hiking; late Sep for quiet trails

  • Brežice

    Best months: May–Sep

  • Celje

    Best months: May–Sep

  • Divača

    Best months: May–Sep

  • Dovje-Mojstrana

    Best months: Jun–Sep

  • Grosuplje

    Best months: May–September

  • Idrija

    Best months: May–Sep