Postojna, Slovenia: What to pack, what to wear, and when to go [2024]

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Ready to pack for Postojna, Slovenia? If you're planning to go to Postojna, this is some important information about when to go, what to wear, and what to pack.

Contents

When to go to Postojna, Slovenia

Based on the climate and weather in Postojna, Slovenia, the best time to go is July. See below for details.

What to wear/what to pack for Postojna, Slovenia

Already know when you're traveling?

Here are some general tips on what to wear in Postojna, as well as several items to remember to pack when traveling there.

What to wear/what to pack for Postojna, Slovenia by month

January

January in Postojna is frosty and somewhat rainy. The average overnight temperatures in the area are in the low 20s F (single digits below 0 C). It tends to rain 5-10 days this month.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Slovenia has travel concerns that you should consider before going. Click for more information.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airlines always losing luggage recently, an AirTag can locate it anywhere anywhere: AirTag for iPhones.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your things.

  • Voice and data SIM card

    A SIM card that works in Postojna. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Travel pillow

    Our favorite is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge large penalties for overweight luggage. Avoid surcharges with this

  • Power bank for devices

    A portable power bank, like this one

  • Travel adapter

    A plug adapter that supports outlet types C and F. Be sure to choose the necessary type. Most adapters currently being sold are just plugs and require your electronics to convert the voltage themselves. If your electronics can't do that they could get fried. This one is sufficent for most places.

Going to Postojna Caves? You'll need:

February

February for Postojna can be brisk. Temperatures average in the low 40s F (single digits C) during the day. It rains 5-10 days this month.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Slovenia has travel concerns that you should consider before going. Click for more information.

  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your things.

  • Voice and data SIM card

    A SIM card that works in Postojna. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airports repeatedly losing things recently, an AirTag can help you find it anywhere in the world: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials
  • Travel adapter

    A plug adapter that supports outlet types C and F. Be sure to get the correct type. Most adapters available online are just plugs and require your devices to change the voltage themselves. If your electronics can't do that they could get fried. This one is sufficent for most locations.

  • Luggage scale to avoid fees

    Airlines charge excessive amounts for overweight luggage. Avoid surcharges with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    A top rated pillow is this one

Going to Postojna Caves? You'll need:

March

If you go to Postojna in March, you will notice that it is pretty cool. Expect it to rain regularly. Daytime temperatures are in the high 40s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Slovenia has travel concerns that you should consider before going. Click for more information.

  • Voice and data SIM card

    A SIM card that works in Postojna. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airlines frequently losing things recently, an AirTag can help you locate it anywhere in the world: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your belongings.

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Travel neck support pillow

    A versatile choice is this one

  • Luggage scale to avoid fees

    Airlines charge excessive amounts for overweight luggage. Save money with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Plug adapter

    A plug adapter that supports outlet types C and F. Check that you find the right type. A lot of adapters currently being sold are simply plug changers and require your devices to change the voltage themselves. If your electronics can't do that they could burn up. This one should be appropriate for most locations.

Going to Postojna Caves? You'll need:

April

April in Postojna can be very chilly. The rain can amount to several inches/centimeters. During this time, temperatures average in the 40s F (single digits C) to 50s F (low 10s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Slovenia has travel concerns that you should consider before going. Click for more information.

  • AirTag to track your luggage

    With airlines repeatedly losing luggage recently, an AirTag can find it anywhere in the world: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Postojna. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your belongings.

Comfort + Essentials
  • Luggage scale to avoid fees

    Airlines charge excessive amounts for overweight luggage. Avoid penalties with this

  • Travel adapter

    A plug adapter that supports outlet types C and F. Be sure to get the right kind. A lot of adapters currently sold are simply plug changers and require your devices to adjust the voltage themselves. If your devices can't do that they could get destroyed. This one should be appropriate for most countries.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    Our favorite is this one

Going to Postojna Caves? You'll need:

May

May in Postojna can be chilly. The average overnight temperatures in the area are in the 40s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Slovenia has travel concerns that you should consider before going. Click for more information.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

  • AirTag to track your luggage

    With airports always losing luggage these days, an AirTag can find it anywhere on earth: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Postojna. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Travel neck support pillow

    Our favorite is this one

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Avoid surcharges with this

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Plug adapter

    A plug adapter that supports outlet types C and F. Take care to pick the correct kind. The majority of adapters currently being sold are just plug changers and require your electronics to change the voltage themselves. If yours can't do that they could burn up. This one should be sufficient for most countries.

Going to Postojna Caves? You'll need:

June

If you are traveling to Postojna in June, you will notice that it is balmy and somewhat rainy. Expect it to rain a bit less than half of the time. Daytime temperatures are in the low 70s F (low 20s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Slovenia has travel concerns that you should consider before going. Click for more information.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your belongings.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Postojna. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airports constantly losing bags recently, an AirTag can find it anywhere in the world: AirTag for iPhones.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge huge penalties for overweight luggage. Save money with this

  • Power bank for devices

    A portable power bank, like this one

  • Voltage step down adapter

    A plug adapter that supports outlet types C and F. Be sure to choose the necessary type. The vast majority of adapters currently available are just plug changers and require your devices to change the voltage themselves. If yours can't do that they could get fried. This one is sufficent for most places.

  • Travel neck pillow

    A versatile choice is this one

Going to Postojna Caves? You'll need:

July

If you go to Postojna in July, you will notice that it is warm and somewhat rainy. Expect it to rain 5-10 days this month. Daytime temperatures are in the 70s F (mid 20s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Slovenia has travel concerns that you should consider before going. Click for more information.

  • AirTag to track your luggage

    With airports frequently losing luggage recently, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Postojna. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

Comfort + Essentials
  • Travel neck support pillow

    Our fave is this one

  • Luggage scale to avoid fees

    Airlines charge excessive prices for overweight luggage. Avoid surcharges with this

  • Travel voltage adapter

    A plug adapter that supports outlet types C and F. Take care to get the necessary type. The vast majority of adapters for sale now are just plug changers and require your devices to adjust the voltage themselves. If yours can't do that they could burn up. This one should be sufficient for most countries.

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

Going to Postojna Caves? You'll need:

August

If you vacation in Postojna during August, you may find that it is warm and somewhat rainy. Temperatures tend to hover around the 70s F (mid 20s C) during the day, while at night they can dip into the low 50s F (low 10s C). In terms of precipitation, you can expect it to rain regularly.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Slovenia has travel concerns that you should consider before going. Click for more information.

  • AirTag to track your luggage

    With airports repeatedly losing bags these days, an AirTag can locate it anywhere in the world: AirTag for iPhones.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your things.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Postojna. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck support pillow

    An excellent option is this one

  • Power bank for devices

    A portable power bank, like this one

  • Travel adapter

    A plug adapter that supports outlet types C and F. Make sure to find the necessary type. Most adapters available online are simply plug changers and require your devices to adjust the voltage themselves. If yours can't do that they could get destroyed. This one should be appropriate for most locations.

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Avoid penalties with this

Going to Postojna Caves? You'll need:

September

September in Postojna is balmy. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 60s F (low 20s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Slovenia has travel concerns that you should consider before going. Click for more information.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airports constantly losing things these days, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Postojna. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your stuff.

Comfort + Essentials
  • Plug adapter

    A plug adapter that supports outlet types C and F. Take care to pick the correct type. Most adapters that you can buy are simply plug changers and require your electronics to adjust the voltage themselves. If yours can't do that they could get fried. This one is sufficent for most areas.

  • Travel pillow

    A versatile choice is this one

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge excessive prices for overweight luggage. Avoid surcharges with this

Going to Postojna Caves? You'll need:

October

If you go to Postojna in October, you will notice that it is relatively cool. Daytime temperatures are in the high 50s F (mid 10s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Slovenia has travel concerns that you should consider before going. Click for more information.

  • Voice and data SIM card

    A SIM card that works in Postojna. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your stuff.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airlines frequently losing things nowadays, an AirTag can help you locate it anywhere in the world: AirTag for iPhones.

Comfort + Essentials
  • Travel pillow

    What we like is this one

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge huge amounts for overweight luggage. Avoid penalties with this

  • Plug adapter

    A plug adapter that supports outlet types C and F. Make sure to pick the necessary type. A lot of adapters that you can buy are just plug changers and require your devices to adjust the voltage themselves. If yours can't do that they could get destroyed. This one is sufficent for most places.

Going to Postojna Caves? You'll need:

November

If you vacation in Postojna during November, you may see that it is cold. Temperatures tend to hover around the 40s F (single digits C) during the day, while at night they can dip into the 30s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Slovenia has travel concerns that you should consider before going. Click for more information.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your things.

  • Voice and data SIM card

    A SIM card that works in Postojna. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airlines constantly losing things recently, an AirTag can find it anywhere in the world: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Travel pillow

    Our favorite is this one

  • Luggage scale to avoid fees

    Airlines charge excessive penalties for overweight luggage. Avoid penalties with this

  • Travel voltage adapter

    A plug adapter that supports outlet types C and F. Take care to choose the correct type. Most adapters currently sold are just plugs and require your devices to adjust the voltage themselves. If your devices can't do that they could get fried. This one should be appropriate for most countries.

Going to Postojna Caves? You'll need:

December

If you go to Postojna in December, you will notice that it is brisk and somewhat rainy. Expect it to rain about a third of the time. Daytime temperatures are in the high 30s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Slovenia has travel concerns that you should consider before going. Click for more information.

  • AirTag to track your luggage

    With airports always losing bags these days, an AirTag can locate it anywhere on earth: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Postojna. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

Comfort + Essentials
  • Travel neck support pillow

    A great choice is this one

  • Power bank for devices

    A portable power bank, like this one

  • Voltage step down adapter

    A plug adapter that supports outlet types C and F. Make sure to pick the necessary type. A lot of adapters available are simply plug changers and require your devices to change the voltage themselves. If your electronics can't do that they could burn up. This one works in most locations.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge excessive prices for overweight luggage. Avoid surcharges with this

Going to Postojna Caves? You'll need:

What to do in Postojna, Slovenia

Nestled in the lush vegetation of central Slovenia lies Postojna, a charming and picturesque town that boasts some of the most incredible tourist attractions in the country. Whether you’re a nature lover, a history buff, or an adrenaline junkie, Postojna has something unique to offer everyone. Here’s a list of the top tourist attractions in Postojna, Slovenia.

1. Postojna Cave

Positioned in the heart of the Karst region, Postojna Cave is one of the world’s most extensive cave systems, well known for its unique karst formations and rich ecosystem. This subterranean labyrinth covers over 24 kilometers of underground tunnels, galleries, and halls, with the most impressive being the Concert Hall, which can accommodate up to 10,000 people. Visitors can explore the cave by taking a train ride accompanied by expert guides, taking a walk through the tunnels, and viewing the many stunning stalactites, stalagmites, and pillars.

2. Predjama Castle

Predjama Castle is a striking fortress perched on a rock face in the middle of a cave entrance. This castle was built in the 13th century and has been a symbol of power and defiance for centuries. Due to its unusual location, Predjama Castle has gained widespread fame, and many legends and tales surround it. The castle was also featured in the international TV show, “The Amazing Race,” which won it further recognition worldwide.

3. Smrekarjev hram

Another major tourist attraction in Postojna is Smrekarjev hram, a traditional restaurant carved onto the slopes of the mountain. The restaurant offers visitors the chance to feast on the famed jota (a hearty stew made of potato, beans, and sauerkraut), grilled meat, and homemade bread. Visitors can also sample local wine in the treehouse-like building, which offers stunning views of the surrounding hills.

4. Cross Cave

Cross Cave is a unique underground cavern located in Rakitna in the southwestern part of Postojna. This cave is significant for its vast network of tunnels, dazzling stalactites, and crystal clear pools. Visitors can explore the cave with the help of an experienced guide, who will point out the numerous interesting features, including the so-called 'Diamond Hall' with its diamond-like stalactites.

5. Pivka Lakes

If you’re looking for a spot to relax and take in some stunning natural views, then the Pivka Lakes should be at the top of your list. The lakes are situated in the vicinity of Postojna, and they are natural marvels that provide a unique habitat for various animal species. Visitors can engage in activities such as fishing, horse riding or just enjoy a peaceful walk around the lakes.

In conclusion, Postojna, Slovenia is an idyllic destination that has something unique to offer everyone. From exploring the vast underground channels of Postojna Cave to soaking up the natural beauty of the Pivka Lakes, to enjoying the delicious traditional cuisine of Smrekarjev hram, Postojna is a place you can’t afford to miss. Book a visit to Postojna right now for the experience of a lifetime!

About your travel guide

Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.

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