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Slovenia

Slovenia, a hidden gem in Central Europe, entices travellers with its stunning landscapes and rich culture. In Ljubljana, the charming capital, you can wander through picturesque streets, explore a medieval castle, and enjoy a vibrant café scene along the Ljubljanica River. Venture to Lake Bled, where a fairytale island church and a clifftop castle create a magical setting against the backdrop of the Julian Alps. Along the coast, the Adriatic Sea sparkles beside quaint coastal towns like Piran, with their Venetian-style architecture and inviting beaches.

Where to Book

Please note that the estimated temperature, rainfall and recommended months of when to go are based on Ljubljana’ weather patterns

Holiday Highlights

Average temperature

Information below is based on average highest temperature for each month.

3℃J
6℃F
11℃M
16℃A
21℃M
25℃J
27℃J
26℃A
22℃S
16℃O
9℃N
3℃D

Information above is based on the average number of days which experience some form of rainfall for each month.

Rainfall

When to Visit

Below gives you information and a rating of the best time of year to visit.

January

January sees Slovenia wrapped in winter’s hush. The Julian Alps are in full ski season, with Kranjska Gora and Vogel welcoming snow lovers. Meanwhile, Ljubljana’s baroque streets are quieter post-festivities, perfect for sipping hot chocolate by the Ljubljanica River as the city catches its breath.

February

February brings a festive twist with Kurentovanje, Slovenia’s most famous carnival, filling Ptuj with traditional masks, music, and parades. Snow still covers the mountains, but down in the capital and along the coast, days start to stretch a little longer.

March

March hints at renewal. Alpine areas may still see snow, but blossoms appear in the valleys, and rivers like the Soča begin to swell with meltwater. It’s a great time for peaceful hikes in the lowlands or exploring caves like Postojna before tourist season builds.

April

April is lush and awakening. Wildflowers brighten the countryside, and lakes such as Bled and Bohinj begin to shimmer under gentler sun. Temperatures in many regions begin to reach 15-17°C, inviting boat rides, lakeside walks, and vineyard visits in the Brda region.

May

May is one of Slovenia’s most scenic months. Everything feels alive - forests are dense with green, waterfalls thunder through gorges, and Ljubljana buzzes with outdoor cafés. The Karst region is especially pretty now, ideal for wine tasting and bike rides among blossoming cherry trees.

June

June brings longer days and warm weather to both the mountains and the coast. The Soča Valley becomes a playground for rafting and kayaking, while the Adriatic town of Piran is warm enough for swims. Alpine hikes are back in full swing, but trails are still blissfully uncrowded.

July

July sees Slovenia in full bloom. The highlands are cooler, making Lake Bohinj a tranquil summer retreat, while seaside towns hit their peak. Ljubljana's festivals spill into the streets, and days in the lowlands often climb into the high 20s - ideal for picnics, paddleboarding, and terrace dining.

August

August is summer at its height. Expect hot days in the capital and along the coast, with highs often reaching 30°C. It’s a lively month, from music festivals in Maribor to mountain escapes in Triglav National Park. Early mornings are best for hiking to beat the heat and the crowds.

September

September offers a gentler pace. Harvest season begins, especially in wine-growing regions like Vipava Valley, and autumn slowly creeps into the forests. Temperatures remain pleasant - around 22°C in many areas - and it’s a perfect time for scenic drives, outdoor dining, and cultural festivals.

October

October paints the country in gold and crimson. The trees around Lake Bled blaze with colour, and the hills of the Karst region are ideal for truffle hunting and wine tastings. Cooler air arrives, but the atmosphere is calm and romantic.

November

November feels like a soft retreat. Fog drapes over the rivers and vineyards, and cultural life shifts indoors. Cities host literary festivals and concerts, and mountain lodges become inviting bases for quiet forest walks or early snowfall in the hills.

December

December brings a festive glow. Christmas markets sparkle in Ljubljana and Maribor, with wooden stalls, roasted chestnuts, and twinkling lights. Snow often graces the mountains, and ski resorts open their slopes just in time for holiday cheer.

Our Ratings

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Where to book

Since 2007, Completely Croatia have been guiding curious travellers to discover hidden gems in Croatia & Slovenia’s most iconic regions. They specialise in crafting award-winning, tailor-made holiday experiences. Their commitment includes exceptional customer service and as true local experts, travel specialists live locally, ensuring you receive the best advice and support.

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Explore is a global adventure travel company with 40 years’ experience in providing exciting and authentic travel experiences. With over 350 trips in around 100 countries, Explore’s expertly crafted itineraries combined with award-winning tour leaders, small group sizes and a commitment to responsible travel ensure unforgettable travel experiences in extraordinary destinations.

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“At Just You, we’ve been crafting worldwide touring holidays specifically for solo travellers for over 20 years. There’s so much included in our tours: flights, accommodation (own rooms are guaranteed) and all breakfasts. We pack in amazing experiences, as well as free time to relax and explore. With expert Holiday Directors, we’re there for you throughout your trip.”

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Riviera Travel is the UK’s leading luxury river cruise & tour company with over 38 years’ experience in crafting worldwide tours, luxury river cruises, rail holidays and UK tours. Their commitment to quality & thoughtfulness has earned them a coveted Which? recommendation.

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