Slovenia weather in June 2025

Expect 23°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Slovenia in June. Check more long-term weather averages for Slovenia in June before you book your next holiday to Slovenia in 2025/2026.

• 23
  23°C max day temperature
• 8
  8 hours of sunshine per day
• 16
  16 days with some rainfall
• 12
  12°C min night temperature
• 16
  16 hours of daylight per day
• 0
  No heat & humidity
• 152
  152 mm of monthly rainfall
• 8
  8 (Very High) UV index

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The June weather guide for Slovenia (Ljubljana) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Slovenia destinations

Below are average maximum temperatures at popular countries, regions and places in Slovenia in June. Select a holiday destination to see more weather parameters.

• 25
  Portoroz
• 23
  Ljubljana
• 22
  Maribor
• 19
  Bled
• 18
  Bohinj
• 14
  Kranjska Gora

All Slovenia destinations

• Bled
• Bohinj
• Bovec
• Celje
• Kranjska Gora
• Ljubljana
• Maribor
• Portoroz
• Ptuj

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Slovenia

Slovenia June sunrise & sunset times

Browse the sunrise and sunset times for Slovenia in June 2025. Select a month to view Slovenia sunrise and sunset times for the next 12 months. The Slovenia sunrise and sunset times shown below are for Ljubljana.

JanFebMarAprMayJunJulAugSepOctNovDec

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