Season guide · Ljubljana · Slovenia
Ljubljana in summer
June–August: weather, crowds, prices and the best things to do this time of year.
Updated By the AMZBooking editorial team
Photo: Szeder László, CC BY-SA 4.0
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Quick answer
Warm, long days with the Ljubljana Festival in Križanke and outdoor concerts; the busiest season for hotels and for day trips to Bled. Expect highs up to 27°C (81°F) and lows around 14°C (57°F), with about 34 rainy days across June–August. June is among the best months of the year to visit.
Key facts
- Months
- June–August
- Temperatures
- 14°C (57°F) to 27°C (81°F)
- Rainy days in the season
- About 34
- Crowds
- Very busy
- Hotel prices
- Highest
Weather in summer
| Month | High | Low | Rainy days | Daylight | Crowds |
|---|---|---|---|---|---|
| June | 25°C (77°F) | 14°C (57°F) | 13 | 15.7 h | 4/5 |
| July | 27°C (81°F) | 15°C (59°F) | 11 | 15.4 h | 5/5 |
| August | 27°C (81°F) | 15°C (59°F) | 10 | 14.1 h | 5/5 |
Compared with the rest of the year: average highs of 26°C (79°F) against a yearly 16°C (61°F), and 34 of the year's roughly 130 rainy days fall in these 3 months. Crowds rate 5/5 and hotel prices 5/5 on average.
What's on in summer
Recurring events; dates move from year to year, so confirm with the organiser.
- June: Ljubljana Jazz Festival (usually late June or early July)
- June: Ana Desetnica street theatre festival (usually early summer)
- July: Ljubljana Festival — concerts and opera in Križanke and on Congress Square (usually July–August)
- August: Ljubljana Festival continues (usually until late August)
Good choices for summer
Museum · Center
National Museum of Slovenia
Go straight to the archaeology rooms for the flute and the situla, then decide whether to see the rest.
- Time needed
- 1.5 hours
- Cost
- Low cost
- History
- Rainy day
- Kids
Museum · Trnovo and Krakovo
Plečnik House
Architect Jože Plečnik lived and worked in this house in Trnovo for decades, and his rooms, drawings, furniture and garden are preserved as he left them.
- Time needed
- 1 hour
- Cost
- Low cost
- Architecture
- History
- Off the beaten path
- Rainy day
Museum · Tabor and Metelkova
Slovene Ethnographic Museum
Look for the painted beehive front panels, a uniquely Slovenian folk art.
- Time needed
- 1.5 hours
- Cost
- Low cost
- History
- Rainy day
- Kids
Religious site · Old Town
Ljubljana Cathedral (St Nicholas)
The green-domed Baroque cathedral of St Nicholas, completed in the early 18th century, is covered inside with ceiling frescoes by Giulio Quaglio.
- Time needed
- 30 minutes
- Cost
- Free
- Free
- History
- Art
- Rainy day
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Gallery · Center
National Gallery of Slovenia
Start in the Impressionist rooms; they are the heart of the collection and rarely crowded.
- Time needed
- 1.5–2 hours
- Cost
- Low cost
- Art
- Rainy day
- History
Day trips in summer
- Lake Bohinj (About 2 hours by bus) — Larger and wilder than Bled, Bohinj sits inside Triglav National Park with clear water for swimming in summer, the Savica waterfall and the Vogel cable car to mountain viewpoints.
- Postojna Cave and Predjama Castle (About 1 hour by bus or train) — An electric train carries visitors deep into Postojna's huge karst cave system before a guided walk past stalactite halls.
What to pack
- Light layers for the day and a light jacket for the evening
- A compact umbrella and waterproof shoes — rain is frequent
- Comfortable walking shoes
Other times of year
Questions travellers ask
+Is summer a good time to visit Ljubljana?
Yes: June is among the best months. Warm, long days with the Ljubljana Festival in Križanke and outdoor concerts; the busiest season for hotels and for day trips to Bled.
+What is the weather like in Ljubljana in summer?
Highs of up to 27°C (81°F) and lows around 14°C (57°F), with about 34 rainy days over the season.