The best time to visit Slovenia is from April to October. During this time, the weather is the most comfortable and pleasant, suitable for sightseeing and outdoor activities.
Read our comprehensive guide below to find out more about the ideal time to visit Slovenia based on your specific needs.
- About Slovenia
- Climate in Slovenia
- Seasons in Slovenia
- Best time to visit Slovenia weather-wise
- Best time to visit Slovenia for sightseeing
Slovenia is a small country located in Central Europe, bordered by Austria to the north, Hungary to the east, Croatia to the south, and Italy to the west. It has a population of about 2 million people and the capital city is Ljubljana.
Slovenia has a diverse landscape, with the Julian Alps in the northwest, the Karst Plateau in the southwest, and the Pannonian Plain in the east.
Slovenia is a peaceful and beautiful country with a welcoming and friendly culture. It is a great place to visit for those interested in outdoor activities, such as hiking, skiing, and cycling, as well as those interested in exploring the country’s cultural and historical sites.
Climate in Slovenia
Slovenia has a Temperate Climate, with cool winters and warm summers.
In spring (March-May), Slovenia experiences a transition from cooler to warmer weather. The average high temperatures during this season range from 11-22°C (52-72°F), and the minimum temperatures range from 2-10°C (36-50°F).
During summer (June-August), Slovenia’s average high temperatures range from 25-27°C (77-81°F). The minimum temperatures during these months tend to be mild, with an average low of 14-15°C (57-59°F).
During autumn (September-November), Slovenia experiences a transition from warmer to cooler weather. The average high temperatures during these months range from 9-22°C (48-72°F), and the minimum temperatures range from 3-11°C (37-52°F).
In winter (December-February), the average high temperatures in Slovenia are typically around 3 to 7°C (37-45°F). The minimum temperatures during these months can be quite cold, with an average low of -2 to -1°C (28-30°F).
Number of monthly rainy days
Slovenia experiences quite a high amount of precipitation throughout the year, ranging from 9 to 15 rainy days per month across the year.
The rainiest season in Slovenia is autumn, with an average of 13 rainy days per month.
Number of monthly sun hours
The sunniest period in Slovenia is between May and August. That’s when the number of sun hours ranges from 234 to 291 per month.
The months with the lowest amount of sunlight are November, December, and January when the number of sun hours ranges from 57 to 72 per month.
Seasons in Slovenia
Slovenia has four seasons: spring, summer, autumn, and winter.
Spring (March to May)
The weather in Slovenia during the spring season (March, April, and May) is generally moderate.
The maximum temperatures range from 11°C (52°F) to 22°C (71°F). The average number of sun hours per month ranges from 148 to 234.
There is also a moderate amount of rainfall during this season, ranging from 11 to 14 rainy days per month.
In general, the weather conditions in spring in Slovenia range from bad in March, tolerable in April and good in May.
|Max temperature||11°C / 52°F||16°C / 61°F||22°C / 71°F|
|Min temperature||2°C / 35°F||6°C / 43°F||10°C / 50°F|
|Monthly sun hours||148 hours||180 hours||234 hours|
|Monthly rainy days||11 days||13 days||14 days|
Summer (June to August)
The weather in Slovenia in summer (June, July, and August) is generally warm and sunny.
The maximum temperatures range from 25°C (77°F) to 27°C (81°F). The average number of sun hours per month ranges from 248 to 291 hours.
The amount of rainfall during this season is quite high, ranging from 12 to 15 rainy days per month.
Overall, the weather conditions in Slovenia during the summer season are considered great, making it a popular time to visit the country and enjoy outdoor activities. The warm temperatures and long days make it a great time to explore the natural beauty of the country and participate in various cultural events.
|Max temperature||25°C / 77°F||27°C / 81°F||27°C / 80°F|
|Min temperature||14°C / 56°F||15°C / 60°F||15°C / 59°F|
|Monthly sun hours||248 hours||291 hours||266 hours|
|Monthly rainy days||15 days||12 days||12 days|
Autumn (September to November)
The weather in autumn (September, October, and November) in Slovenia is generally cool and variable.
The maximum temperatures range from 22°C (71°F) to 9°C (48°F). The average number of sun hours per month ranges from 182 to 65 hours.
There is also a higher amount of rainfall during this season, with an average of 12 to 14 rainy days per month.
Overall, the weather conditions in Slovenia during the autumn season range from good in September, tolerable in October, and bad in November.
|Max temperature||22°C / 71°F||16°C / 61°F||9°C / 48°F|
|Min temperature||11°C / 53°F||8°C / 46°F||3°C / 37°F|
|Monthly sun hours||182 hours||121 hours||65 hours|
|Monthly rainy days||12 days||14 days||14 days|
Winter (December to February)
The weather in Slovenia during the winter season (December, January, and February) is generally cold and variable.
The maximum temperatures range from 3°C (37°F) to 7°C (44°F). The average number of sun hours per month ranges from 57 to 112 hours.
There is also a moderate amount of precipitation during this season, with an average of 9 to 13 rainy days per month.
The weather conditions in Slovenia during the winter season are bad, with cold temperatures and a moderate amount of precipitation. This is a good time to visit the country for skiing and other winter sports, as the mountains receive significant snowfall.
|Max temperature||4°C / 39°F||3°C / 38°F||7°C / 44°F|
|Min temperature||-1°C / 30°F||-2°C / 28°F||-2°C / 28°F|
|Monthly sun hours||57 hours||72 hours||112 hours|
|Monthly rainy days||13 days||10 days||9 days|
Best time to visit Slovenia weather-wise
The optimal time to visit Slovenia for good weather is generally considered to be from May to September.
During these months, the weather is typically warm and pleasant, with long sunny days, making it a great time to enjoy outdoor activities and explore the natural beauty of the country.
In particular, the summer months of June, July, and August tend to have the best weather, with warm to hot temperatures and plenty of sunshine.
May and September, while still offering good weather, may have slightly cooler temperatures and more variable weather compared to summer. However, these months are also typically less crowded than the peak summer season.
Best time to visit Slovenia for sightseeing
The best time to visit Slovenia for sightseeing is from April to June and from September to October when the weather is comfortable and there are fewer tourists.
Spring and fall are considered the shoulder seasons in Slovenia, and the weather is generally mild and pleasant during these times. There are fewer crowds at popular attractions, making it a more comfortable and enjoyable sightseeing experience.
Summer is also a great time for sightseeing because of the warm and sunny weather. However, this is also a peak tourist season, when some popular places may be overcrowded, making for a potentially less enjoyable sightseeing experience.
See more guides about Slovenia