July is typically the warmest month in Slovenia: beaches and lakes are busy, and alpine areas offer cooler relief for hiking. This is the busiest tourist month-book ahead for accommodations and popular attractions.
SeasonHigh SeasonTemperature 18 to 30°C (64 to 86°F)Crowds HighPrices High
High seasonShoulderLow season
Weather by City in July
CityLow / highRain
Ljubljana
Mild
14°26° 115 mm
Maribor
Mild
14°26° 117 mm
Celje
Mild
14°26° 134 mm
Kranj
Mild
13°26° 135 mm
Koper
Mild
20°28° 61 mm
Novo Mesto
Mild
14°26° 110 mm
Velenje
Mild
13°25° 144 mm
Average daily low and high (°C) and monthly rainfall. The badge shows how it feels, allowing for humidity.
Temperature map
-30°-20°-10°0°10°20°30°40°
Average temperature across Slovenia in July.
Where to Go in Slovenia in July
Julian Alps & Alpine Slovenia
Bled, Bohinj, Kranjska Gora, Triglav
High summer warmth can bake lower alpine meadows while higher ridges remain refreshingly cool; this is festival season in alpine towns and mountain huts run full service. Rock routes and via ferrata are in best conditions, but tempestuous thunderstorms can roll in fast-carry a headlamp and emergency shelter. The nights are cool; a warm layer is useful even after a hot day. Expect crowds on iconic viewpoints such as Ojstrica and Mala Osojnica at Bled.
Soča Valley & Goriška Hills
Bovec, Kobarid, Tolmin, Nova Gorica, Goriška Brda
Early autumn yields cooler, clearer days ideal for long hikes and road trips through the Soča Gorge and across Goriška Brda’s winery routes. Harvest activity and smaller village wine events add local color; evenings cool off, revealing stars over the valley. River flows typically drop making paddling easier and safer-this is a quieter time for outdoor adventures and photography, with breathable layers and a light rain jacket sufficient most days.
Slovenian Coast & Karst
Piran, Koper, Portorož, Škocjan Caves, Lipica
Early autumn remains warm and pleasant-September is one of the best months for swimming and cycling the coastal pathways with fewer crowds. Wine harvests and olive collection begin in nearby hills, adding local festivals and open-cellar tastings. The risk of the bora increases into October; bring a windproof layer and check ferry timetables during stormy spells.
Ljubljana & Central Slovenia
Ljubljana, Kamnik, Radovljica, Central Sava Valley
Early autumn cools evenings rapidly and brings crisp, clear days good for long walks in Tivoli Park and the medieval streets. Grape harvest activities start in nearby wine regions like Radgona and Dolenjska, offering seasonal tastings and rural experiences. Expect fewer tourists and pleasant daytime temperatures; bring a midlayer for late-afternoon river cruises and an umbrella for occasional autumn showers.
Northeast & Southeast Lowlands
Prekmurje, Ptuj, Murska Sobota, Dolenjska, Bela Krajina, Rogaška
Early autumn is harvest season, with grape picking and chestnut festivals across Dolenjska and Bela Krajina; the landscape turns golden and food markets brim with seasonal products. Ptuj and smaller towns host cultural events tied to harvest dates, making this an appealing time for food-focused travellers. Cooler nights return; a warm sweater for evening tastings is worthwhile.
Events & Festivals in July
Ljubljana Festival (ongoing)
Summer cultural events continue in Ljubljana and around the country through July.
Planning a trip to Slovenia?
See how July compares with the rest of the year, then read the full guide.
