Located in southwest Slovenia, the city of Postojna enjoys a moderate climate with warm weather in the summer months and cool winters.
In summer, visitors to Postojna experience a pleasant climate and warm temperatures, and the hottest months of the year are July and August, when maximum daytime temperatures can reach around 25°C. Nighttime temperatures may drop around 15°C.
Winter in Postojna runs from December through to March and the coldest weather occurs in January, when daytime temperatures drop below 0°C. The cold Bora winds blow during the winter months and snowfalls will occur through these months.
Autumn weather and climate in Postojna is a bit cooler and wet, while springtime is a pleasant season with May enjoying warm and mostly sunny days.
When to go – the best time to visit Postojna
During the late-spring and summer months of May, June, July, August and September, Postojna has many fine and often very sunny days, when temperatures can climb well above 20°C and even 25°C. The weather in Postojna can also be somewhat changeable, with a gloomy morning turning into a sunny day with high temperatures, and vice-versa.
POSTOJNA YEARLY WEATHER SUMMARY
What’s the best time to travel to Postojna in Slovenia? Here are some facts:
– The months May, June, July, August, and September have a nice average temperature.
– July is the warmest month with an average high of 25,5 °C and an average low of 12,5 °C.
– July is also the month with the most sunshine, with almost 10 hours per day.
– January is the coolest month with an average high of 3,6 °C and an average low of -3,7 °C.
– October is the wettest month with an average of 165 millimeters of precipitation.
– November and December are the most cloudy months with an average of 14 mostly cloudy days.
– July is the driest month with an average of 87 millimeters of rainfall.
– February is the month with the most snowfall, with 16 centimetres on average.
For more specific information about the climate of Postojna, Slovenia, please take a look at the graphs shown below.
A climate graph for Postojna, Slovenia showing mean daily maximum and minimum temperature for a month and average monthly precipitation (rain/snow).
Graph showing average monthly hours of sunshine and average monthly number of cloudy days for Postojna, Slovenia.
Graph showing average monthly number of days with precipitation, average monthly number of days with snow cover and average monthly snowfall (in cm) for Postojna, Slovenia.
Graph showing average monthly number of hot and cold days for Postojna, Slovenia.
 Postojna is a modern town in southwestern Slovenia, where most people come to visit its remarkable cave. The town was first mentioned in historic documents in 1226. Today it has about 9,200 inhabitants and is the economic, administrative, educational and cultural centre of the Notranjska region of Slovenia. Thanks to Postojna's transformation into a tourist town, there are now four hotels and many other guesthouses and private accommodation options for every traveler's budget in the town. An array of restaurants, cafés and bars can be found in the town too. |
| The accommodation options in Postojna can be divided into six main categories: hotels, guesthouses, B&Bs, apartments, farm stays and hostels. |
 Thanks to Postojna’s transformation into a tourist town, there are now five hotels in Postojna, so, if you're planning to visit Postojna and would like to stay in a hotel, read on and find out which are the ones that we recommend. |
 A nice guest house offers a friendly and relaxed travelling experience. Most Postojna guesthouses are family owned and operated, and offer a homey atmosphere and friendly service. There are several good guesthouses in Postojna and the surrounding area, find out which are the ones that we recommend the most. |
 Many local residents in Postojna offer apartments for rent in their houses. It’s a very popular budget-oriented option when you are staying in Postojna. But be careful, the rates and quality vary seriously, so always do a good research before you book an apartment! |
 Bed-and-breakfasts are always a good lodging option. They are a great place to meet fellow travelers, learn more about the area from knowledgeable hosts, and enjoy a hearty breakfast before hitting the road. There are a few good B&Bs in Postojna, find out which ones we recommend the most. |
 Hostels provide wallet-friendly, sociable accommodation where guests can rent a bed in a dormitory or a private room and share a bathroom, lounge and usually a kitchen. Postojna is a small town and currently only has one hostel. Luckily it's a very nice one. Find out if it suits your needs. |
 Farm stays can encompass a range of accommodations from rural bed and breakfasts to working farms. Some farmstays are quite luxurious, with comfortable rooms and delicious homemade breakfasts each morning; in this sort of accommodation, your closest contact with the farm itself may be a leisurely stroll across a rolling pasture. Other farmstays offer more hands-on activities, which could include milking cows, feeding livestock, collecting eggs, etc. If you want a nice experience on a farm, stay at one of the farmstays listed here, they are the best in the Postojna area and really worth staying at. |