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Slovenia weather in August 2025
Expect 77°F 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.
- 77°F max day temperature
77 - 8 hours of sunshine per day
- 14 days with some rainfall
14 - 55°F min night temperature
55 - 14 hours of daylight per day
14 - Low heat & humidity
L - 5.5 inches of monthly rainfall
5.5 - 7 (High) UV index
7
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Recommended for Slovenia
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) | Imperial (°F)
More about Slovenia
How hot is it in Slovenia in August?
Daytime temperatures usually reach 77°F in Ljubljana, Slovenia in August with low heat and humidity, falling to 55°F 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 5.5 inches.
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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