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When to go · Slovenia

Slovenia in August

Mixed month. Peak crowds and prices at Bled and Piran; Triglav huts full.

Key facts

Verdict
Mixed
Crowds
High
Slovenia
Prices
High
Slovenia

Verdict

MixedVoykit month rating for Slovenia

Peak crowds and prices at Bled and Piran; Triglav huts full.

Is another month better than August?

August is rated mixed. These months rate higher:

Weather in August

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

    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, Lipicahot

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

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

    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 limestonehot

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

  • Eastern Slovenia: Maribor / Ptuj · Drava valleyhot

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

  • Eastern Slovenia: Prekmurje · Mura plainhot

    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 Gradechot

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

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

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

  • Ljubljana27 °C (81 °F) / 15 °C (59 °F), 11 rain days
  • Bled25 °C (77 °F) / 13 °C (55 °F), 11 rain days
  • Bovec24 °C (75 °F) / 13 °C (55 °F), 12 rain days
  • Brežice28 °C (82 °F) / 15 °C (59 °F), 9 rain days
  • Celje28 °C (82 °F) / 17 °C (63 °F), 11 rain days
  • Divača30 °C (86 °F) / 19 °C (66 °F), 5 rain days
  • Dovje-Mojstrana24 °C (75 °F) / 12 °C (54 °F), 12 rain days
  • Grosuplje27 °C (81 °F) / 16 °C (61 °F), 4 rain days
  • Idrija26 °C (79 °F) / 15 °C (59 °F), 11 rain days
  • Izola30 °C (86 °F) / 20 °C (68 °F), 7 rain days
  • Jesenice25 °C (77 °F) / 13 °C (55 °F), 11 rain days
  • Jezersko27 °C (81 °F) / 16 °C (61 °F), 6 rain days
  • Kamnik26 °C (79 °F) / 14 °C (57 °F), 11 rain days
  • Kobarid26 °C (79 °F) / 16 °C (61 °F), 10 rain days
  • Koper29 °C (84 °F) / 19 °C (66 °F), 8 rain days
  • Kranj28 °C (82 °F) / 16 °C (61 °F), 6 rain days
  • Kranjska Gora25 °C (77 °F) / 14 °C (57 °F), 11 rain days
  • Lendava28 °C (82 °F) / 18 °C (64 °F), 5 rain days
  • Lipica28 °C (82 °F) / 20 °C (68 °F), 8 rain days
  • Maribor27 °C (81 °F) / 14 °C (57 °F), 11 rain days
  • Murska Sobota28 °C (82 °F) / 15 °C (59 °F), 8 rain days
  • Nova Gorica27 °C (81 °F) / 18 °C (64 °F), 4 rain days
  • Novo Mesto28 °C (82 °F) / 18 °C (64 °F), 7 rain days
  • Piran29 °C (84 °F) / 19 °C (66 °F), 7 rain days
  • Portorož30 °C (86 °F) / 20 °C (68 °F), 3 rain days
  • Postojna27 °C (81 °F) / 19 °C (66 °F), 5 rain days
  • Ptuj27 °C (81 °F) / 16 °C (61 °F), 9 rain days
  • Ribnica26 °C (79 °F) / 14 °C (57 °F), 9 rain days
  • Sevnica28 °C (82 °F) / 15 °C (59 °F), 9 rain days
  • Sežana28 °C (82 °F) / 18 °C (64 °F), 7 rain days
  • Škofja Loka27 °C (81 °F) / 15 °C (59 °F), 11 rain days
  • Slovenj Gradec25 °C (77 °F) / 13 °C (55 °F), 11 rain days
  • Srednja Dobrava27 °C (81 °F) / 18 °C (64 °F), 7 rain days
  • Tolmin27 °C (81 °F) / 16 °C (61 °F), 6 rain days
  • Trbovlje28 °C (82 °F) / 15 °C (59 °F), 10 rain days
  • Uskovnica22 °C (72 °F) / 13 °C (55 °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.

  • Assumption

    15 Aug

    Pilgrimage to Brezje; peak season crowds.

  • Ljubljana Festival check

    Summer (check) · Ljubljana

    Concerts and open-air events; hotels fill.

Crowds and prices

Crowds · Slovenia
High
Prices · Slovenia
High

High-price month: see what to book ahead.

Compare two months

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

  • Verdict

    Aug: Mixed

    May: Great (better)

  • Crowds

    Aug: High

    May: Medium

  • Prices

    Aug: High

    May: Medium

  • Festivals listed

    Aug: 2

    May: 1

August: Peak crowds and prices at Bled and Piran; Triglav huts full.

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

  • Light, breathable clothes, a sun hat and sunscreen

Build the full packing list for your trip →

Where to go in August

Rated best or good this month

  • Julian Alps

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

  • 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

  • Izola

    Best months: May–Sep

  • Jesenice

    Best months: May–Sep

  • Jezersko

    Best months: Jun–Sep

  • Kobarid

    Best months: May–Sep