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. Check more long-term weather averages for Slovenia in August before you book your next holiday to Slovenia in 2025/2026.

  • 25°C maximum daytime temperature in August in Slovenia (Ljubljana)25
    25°C max day temperature
  • 8 hours of sunshine per day
  • 14 days with some rainfall in August in Slovenia (Ljubljana)14
    14 days with some rainfall
  • 13°C minimum night-time temperature in August in Slovenia (Ljubljana)13
    13°C min night temperature
  • 14 hours of daylight per day in August in Slovenia (Ljubljana)14
    14 hours of daylight per day
  • Low heat & humidity in August in Slovenia (Ljubljana)L
    Low heat & humidity
  • 139 mm monthly rainfall in August in Slovenia (Ljubljana)139
    139 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Slovenia (Ljubljana)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.

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

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More about Slovenia

How hot is it in Slovenia in August?

Daytime temperatures usually reach 25°C in Ljubljana, Slovenia in August with low heat and humidity, falling to 13°C at night.

How sunny is it in Slovenia in August?

There are normally 8 hours of bright sunshine each day in Ljubljana, Slovenia in August - that's 53% of daylight hours.

Does it rain in Slovenia in August?

There are usually 14 days with some rain in Ljubljana, Slovenia in August and the average monthly rainfall is 139mm.

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.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:44 19:31
Saturday, 16th August 2025 05:03 19:09
Sunday, 31st August 2025 05:21 18:42

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