Ljubljana weather in August
August in Ljubljana: warm, rainy, with clean air — an excellent time to visit.
#4 of 12 months in Ljubljana · #251 of 604 destinations to visit in August · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Ljubljana climate normals — August
| Daytime high | 26°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 17°C / 62°F | |
| Feels like (high) | 27°C / 81°F | |
| Rainfall | 133 mm / 5.2 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 16°C / 61°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 14.1 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 47 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Ljubljana?
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Ljubljana in August — FAQ
- Is August a good time to visit Ljubljana?
- August in Ljubljana: warm, rainy, with clean air — an excellent time to visit. It ranks #4 of 12 months for Ljubljana on SeasonMap's comfort score (82/100).
- What is the weather like in Ljubljana in August?
- In August, Ljubljana averages a daily high of 25.5°C and a low of 16.6°C, with about 132.9 mm of rain over roughly 12.2 rainy days.
- What is the air quality in Ljubljana in August?
- Ljubljana has a mean US Air Quality Index of about 47 in August.