Slovenia weather in August 2025

Expect 25°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Slovenia in August based on long-term weather averages. There is usually 14 days with some rainfall and 139 mm of average monthly rainfall in August.

• 25
  25°C max day temperature
• 8
  8 hours of sunshine per day
• 14
  14 days with some rainfall
• 13
  13°C min night temperature
• 14
  14 hours of daylight per day
• L
  Low heat & humidity
• 139
  139 mm of monthly rainfall
• 7
  7 (High) UV index

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The August 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 August. Select a holiday destination to see more weather parameters.

• 27
  Portoroz
• 25
  Ljubljana
• 24
  Maribor
• 21
  Bled
• 20
  Bohinj
• 17
  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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Slovenia August sunrise & sunset times

Browse the sunrise and sunset times for Slovenia in August 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.

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