What Should You Wear in Postojna Cave? A Complete Guide
One of the most common questions visitors ask before arriving at Postojna Cave is what they should wear. Although Slovenia’s weather changes throughout the year, the temperature inside the cave remains almost constant, so it’s worth preparing in advance.
Here’s everything you need to know before your visit.
How Cold Is Postojna Cave?
The temperature inside Postojna Cave stays at approximately 10°C (50°F) throughout the year. Whether you visit in July or January, the conditions inside remain almost the same.
Bring a Light Jacket
Even during the hottest summer months, a light jacket, fleece, or sweatshirt is recommended. Since you’ll spend around 90 minutes underground, many visitors find the cave surprisingly cool.
Wear Comfortable Shoes
The walking route follows well-maintained paths and is suitable for most visitors. Comfortable trainers or walking shoes are ideal, as you’ll spend part of the tour on foot after the underground train ride.
High heels or slippery footwear are not recommended.
Dress for the Season Outside
While the cave remains cool year-round, remember that outdoor temperatures vary considerably between seasons. Dress appropriately for the weather outside and simply add an extra layer for the cave.
Can Children Visit?
Yes. Families visit Postojna Cave throughout the year. It’s a good idea to bring an extra jumper or jacket for younger children, as they may feel colder than adults.
Should You Bring Anything Else?
- Comfortable walking shoes
- Light jacket or fleece
- Camera or smartphone
- Small bottle of water
- A light backpack if needed
Visit Postojna Cave from Ljubljana
The easiest way to experience Postojna Cave is on a guided day trip from Ljubljana.
Our Postojna Cave & Predjama Castle Tour from Ljubljana includes transport and visits to both attractions, allowing you to enjoy the experience without worrying about planning.
Frequently Asked Questions
Do you need a jacket in Postojna Cave?
Yes. The cave remains around 10°C throughout the year, so a light jacket or warm layer is recommended.
Can you wear shorts in Postojna Cave?
Yes, although many visitors still bring a light jacket because the underground temperature is much cooler than outside during summer.
What shoes should I wear?
Comfortable trainers or walking shoes are the best choice for the guided walking section of the tour.
Is Postojna Cave cold?
Yes. The cave maintains a constant temperature of approximately 10°C (50°F) all year.
Is Postojna Cave suitable for children?
Yes. It is a family-friendly attraction, although children should also wear a warm layer inside the cave.
