Slovenia

Slovenia Weather & Climate: Monthly Averages

Monthly climate averages for Slovenia, temperatures, rainfall and the best time to visit.

Climate overview of Slovenia

Despite its small size, Slovenia has a surprising variety of climates. There is a continental climate in the northeast, a severe Alpine climate in the high mountain regions, and a sub-Mediterranean climate in the coastal area.

Temperature Variations

The temperatures in the southwest are very pleasant throughout the year. If you go further inland, the temperatures are lower, and during winter, the chance of snow is greater. Summers in Slovenia are very warm, with lots of sun and high temperatures between 25°C (77°F) and 30°C (86°F). Often, the temperature rises above 30°C (86°F) during summer.

Best Seasons to Visit

Especially in the coastal areas of Slovenia, you can enjoy wonderful, pleasant summer months, making July and August a great time to visit. Spring is also considered a pleasant period by many tourists. The temperatures are lower than in summer, making the country very suitable for an active holiday. The temperature in this season is around 20°C (68°F), and there is less precipitation than during summer.

Rainfall and Nature

Slovenia is a relatively wet country, mainly due to its location. The northwest of Slovenia is one of the wettest regions in Europe. Because of the relatively large amount of precipitation, you will find beautiful, green nature reserves in Slovenia.

Explore Slovenia by month

Popular cities by month

Compare cities per month. Toggle cities on/off.

Ljubljana Bled Portorož Kranjska Gora Moravske-Toplice Koper
Day temperature (°C)
Monthly rainfall (mm)
Monthly sunshine (hours)

Climate map

Average daily temperature, monthly rainfall & sunshine hours across cities.

Avg day temp (°C)
32°

Regional climate differences

Explore the climate diversity across Slovenia.

Compare popular cities

Average daytime and nighttime temperatures, yearly rainfall and sunshine.

Ljubljana 5°C (41°F) 27°C (81°F) -2°C (28°F) 15°C (59°F) 1241 mm (49 in) 1,976 hours
Bled 3°C (37°F) 24°C (75°F) -5°C (23°F) 14°C (57°F) 1491 mm (59 in) 1,983 hours
Portorož 9°C (48°F) 28°C (82°F) 5°C (41°F) 22°C (72°F) 1277 mm (50 in) 2,348 hours
Kranjska Gora 2°C (36°F) 23°C (73°F) -6°C (21°F) 13°C (55°F) 1655 mm (65 in) 1,697 hours
Moravske-Toplice 5°C (41°F) 28°C (82°F) -3°C (27°F) 16°C (61°F) 835 mm (33 in) 1,812 hours
Koper 9°C (48°F) 28°C (82°F) 3°C (37°F) 20°C (68°F) 1371 mm (54 in) 2,348 hours

FAQ

What is the best time to visit Slovenia?

The warmest month in Čatež ob Savi is July, with daytime highs of 29°C (84°F). Portorož is the sunniest destination, with 317 hours of sunshine in July. Explore Slovenia weather by month for a detailed breakdown.

What temperatures can I expect in Slovenia?

Čatež ob Savi is the warmest destination, reaching 29°C (84°F) in July with nights around 17°C (63°F). Podkoren is the coolest, with January daytime highs of just 2°C (36°F) and nights dropping to -6°C (21°F). Temperatures vary significantly between regions and seasons. See the city comparison for a full overview.

How much rain does Slovenia get?

Rainfall varies across Slovenia. Most na Soči is the wettest, receiving 1816 mm (71 in) per year, with November the wettest month at 202 mm (8 in). Moravske-Toplice is the driest at 835 mm (33 in) per year. Use the climate map to explore rainfall patterns across regions.

How sunny is Slovenia?

Portorož is the sunniest destination in Slovenia, enjoying 2,348 hours of sunshine per year, with July the brightest month at 317 hours. Overall, Slovenia enjoys abundant sunshine year-round. Compare sunshine across cities in the charts above.

What is the climate like across Slovenia?

Ljubljana has warm summers reaching 27°C (81°F) in July and cold winters dropping to 5°C (41°F), with 1,976 hours of sunshine and 1241 mm (49 in) of rain per year. Bled has warm summers reaching 24°C (75°F) in July and cold winters dropping to 3°C (37°F), with 1,983 hours of sunshine and 1491 mm (59 in) of rain per year. Portorož has warm summers reaching 28°C (82°F) in August and cold winters dropping to 9°C (48°F), with 2,348 hours of sunshine and 1277 mm (50 in) of rain per year. Explore the climate charts and comparison table for more cities.

Places in Slovenia

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

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Travel inspiration

Must-visit destinations and experiences across Slovenia.