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
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.
- Coast and Karst: Coast (Koper, Izola, Piran, Portorož) · Adriatic shorebest weather
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 limestonebest weather
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 valleyrainy
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.
- Southeastern Slovenia: Novo Mesto / Brežice · Krka and Sava valleysfine
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 days77 °F (25 °C) / 57 °F (14 °C), 14 rain days
- Bled23 °C (73 °F) / 11 °C (52 °F), 13 rain days73 °F (23 °C) / 52 °F (11 °C), 13 rain days
- Bovec22 °C (72 °F) / 11 °C (52 °F), 14 rain days72 °F (22 °C) / 52 °F (11 °C), 14 rain days
- Brežice26 °C (79 °F) / 14 °C (57 °F), 11 rain days79 °F (26 °C) / 57 °F (14 °C), 11 rain days
- Celje26 °C (79 °F) / 16 °C (61 °F), 12 rain days79 °F (26 °C) / 61 °F (16 °C), 12 rain days
- Divača27 °C (81 °F) / 16 °C (61 °F), 6 rain days81 °F (27 °C) / 61 °F (16 °C), 6 rain days
- Dovje-Mojstrana22 °C (72 °F) / 11 °C (52 °F), 14 rain days72 °F (22 °C) / 52 °F (11 °C), 14 rain days
- Grosuplje25 °C (77 °F) / 14 °C (57 °F), 4 rain days77 °F (25 °C) / 57 °F (14 °C), 4 rain days
- Idrija24 °C (75 °F) / 13 °C (55 °F), 11 rain days75 °F (24 °C) / 55 °F (13 °C), 11 rain days
- Izola27 °C (81 °F) / 17 °C (63 °F), 8 rain days81 °F (27 °C) / 63 °F (17 °C), 8 rain days
- Jesenice24 °C (75 °F) / 12 °C (54 °F), 14 rain days75 °F (24 °C) / 54 °F (12 °C), 14 rain days
- Jezersko25 °C (77 °F) / 15 °C (59 °F), 7 rain days77 °F (25 °C) / 59 °F (15 °C), 7 rain days
- Kamnik24 °C (75 °F) / 12 °C (54 °F), 13 rain days75 °F (24 °C) / 54 °F (12 °C), 13 rain days
- Kobarid24 °C (75 °F) / 14 °C (57 °F), 12 rain days75 °F (24 °C) / 57 °F (14 °C), 12 rain days
- Koper27 °C (81 °F) / 17 °C (63 °F), 10 rain days81 °F (27 °C) / 63 °F (17 °C), 10 rain days
- Kranj26 °C (79 °F) / 15 °C (59 °F), 6 rain days79 °F (26 °C) / 59 °F (15 °C), 6 rain days
- Kranjska Gora23 °C (73 °F) / 12 °C (54 °F), 13 rain days73 °F (23 °C) / 54 °F (12 °C), 13 rain days
- Lendava26 °C (79 °F) / 16 °C (61 °F), 6 rain days79 °F (26 °C) / 61 °F (16 °C), 6 rain days
- Lipica26 °C (79 °F) / 17 °C (63 °F), 9 rain days79 °F (26 °C) / 63 °F (17 °C), 9 rain days
- Maribor25 °C (77 °F) / 13 °C (55 °F), 13 rain days77 °F (25 °C) / 55 °F (13 °C), 13 rain days
- Murska Sobota26 °C (79 °F) / 14 °C (57 °F), 10 rain days79 °F (26 °C) / 57 °F (14 °C), 10 rain days
- Nova Gorica25 °C (77 °F) / 16 °C (61 °F), 3 rain days77 °F (25 °C) / 61 °F (16 °C), 3 rain days
- Novo Mesto26 °C (79 °F) / 15 °C (59 °F), 8 rain days79 °F (26 °C) / 59 °F (15 °C), 8 rain days
- Piran26 °C (79 °F) / 17 °C (63 °F), 9 rain days79 °F (26 °C) / 63 °F (17 °C), 9 rain days
- Portorož27 °C (81 °F) / 17 °C (63 °F), 3 rain days81 °F (27 °C) / 63 °F (17 °C), 3 rain days
- Postojna24 °C (75 °F) / 16 °C (61 °F), 6 rain days75 °F (24 °C) / 61 °F (16 °C), 6 rain days
- Ptuj25 °C (77 °F) / 14 °C (57 °F), 9 rain days77 °F (25 °C) / 57 °F (14 °C), 9 rain days
- Ribnica24 °C (75 °F) / 12 °C (54 °F), 11 rain days75 °F (24 °C) / 54 °F (12 °C), 11 rain days
- Sevnica26 °C (79 °F) / 14 °C (57 °F), 11 rain days79 °F (26 °C) / 57 °F (14 °C), 11 rain days
- Sežana26 °C (79 °F) / 16 °C (61 °F), 8 rain days79 °F (26 °C) / 61 °F (16 °C), 8 rain days
- Škofja Loka25 °C (77 °F) / 13 °C (55 °F), 13 rain days77 °F (25 °C) / 55 °F (13 °C), 13 rain days
- Slovenj Gradec23 °C (73 °F) / 11 °C (52 °F), 13 rain days73 °F (23 °C) / 52 °F (11 °C), 13 rain days
- Srednja Dobrava24 °C (75 °F) / 15 °C (59 °F), 8 rain days75 °F (24 °C) / 59 °F (15 °C), 8 rain days
- Tolmin26 °C (79 °F) / 15 °C (59 °F), 5 rain days79 °F (26 °C) / 59 °F (15 °C), 5 rain days
- Trbovlje26 °C (79 °F) / 14 °C (57 °F), 12 rain days79 °F (26 °C) / 57 °F (14 °C), 12 rain days
- Uskovnica20 °C (68 °F) / 11 °C (52 °F), 12 rain days68 °F (20 °C) / 52 °F (11 °C), 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.
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)
Warm; river evenings.
Best months: May–Jun, Sep
Best months: Jun–Sep for rafting and hiking; late Sep for quiet trails
Best months: May–Sep
Best months: May–Sep
Best months: May–Sep
Best months: Jun–Sep
Best months: May–September
Best months: May–Sep