3 to 26°C
2862 hours
sunshine per day
615 mm
194 days
143 days
28 days

Climate of Slovenia

Slovenia, a hidden gem in the heart of Europe, is blessed with a remarkably diverse climate that gives the country a unique charm. From snow-capped peaks in the Alps to gentle breezes on the Adriatic coast, Slovenia offers a climate as varied as its landscape.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 3°C and 26°C
  • Night:the average nighttime temperature is between -3°C and 13°C
  • Rain: it rains 143 days and there is a total of approximately 615 mm rainfall
  • Snow: it snows an average of 28 days per year
  • Sun hours: throughout the year there are 2862 sun hours
Maximum temperature: between 3°C and 26°C
Warmest month: 26°C in July
Coldest month: 3°C in January
Night temperature: between -3°C and 13°C
Dry days: 194 days
Days with rain: 143 days
Days with snow: 28 days
Total rain sum: 615 mm
Hours of sunshine: 2862 hours

Mediterranean warmth on the coast

Long the short but picturesque Adriatic coastline, Slovenia enjoys a wonderful Mediterranean climate. Here summers are warm and sunny, with temperatures easily reaching 30 degrees Celsius, while winters are mild. This region is perfect for sun, sea and beach lovers, offering a pleasant climate all year round.

Moderate maritime climate inland


Further inland, the climate transforms to a temperate maritime climate, with cooler summers and colder winters than on the coast. The summer months are pleasantly warm, with temperatures often between 25 and 30 degrees Celsius. Winters can be harsh, with snowfall transforming Slovenia's mountains into a winter sports paradise.

Alpine cool in the mountains

The Slovenian Alps have an alpine climate, where temperatures are considerably lower than in the rest of the country. Summers are mild and ideal for hiking and mountain climbing, while winters are cold and perfect for skiing and snowboarding. The snowy winters attract many winter sports enthusiasts each year.

Climate change and sustainable tourism


Slovenia is feeling the effects of climate change, with changes in precipitation patterns and more extreme weather conditions. The country is strongly committed to sustainable tourism, with the goal of preserving its natural beauty for future generations. Visitors are encouraged to adopt environmentally friendly practices and treat nature with respect.

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Slovenia.

Precipitation graph

This graph shows the average amount of rainfall per month for Slovenia.

Climate table of Slovenia

In this climate table you can see at a glance what the average weather per month is for Slovenia. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Slovenia might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 3 4 10 15 20 24 26 26 20 15 9 4
Night temp. (°C) -3 -3 1 5 7 10 12 13 9 6 3 -2
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 46 62 50 38 64 61 52 42 58 45 57 40
Days with rain 9 9 11 14 17 16 15 10 12 10 11 9
Days with snow 9 8 3 1 - - - - - - 2 5
Dry days 13 11 17 15 14 14 16 21 18 21 17 17
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 4 4 7 10 10 11 11 12 9 6 5 5
Wind force (Bft) 2 2 2 2 2 2 2 2 2 2 2 2
UV-index 1 2 3 4 4 5 5 5 3 3 2 2

Best time to visit Slovenia

The best time to visit Slovenia depends on what you want to do. For beach lovers, the summer months of July and August are ideal for exploring the coast. If you want to enjoy hiking or biking in nature, spring (April to June) and autumn (September to November) are perfect, with pleasant temperatures and fewer tourists. Winter sports enthusiasts should visit Slovenia between December and March, when the mountains are covered with snow.

Climate of Slovenia by month

What is the average climate in a given month for Slovenia? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

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