Ljubljana weather
11-year climate averages (2015–2025), month by month
Ljubljana in september
Current month averages, based on 11 complete years of records (2015–2025). Read the full guide →
Ljubljana sits at 46°03′N 14°30′E in Slovenia, in Europe. Its climate profile is shaped by these coordinates — and the 11 complete years of records below (2015–2025) reveal exactly how each season feels on the ground.
Below, you'll find monthly averages for temperature, rainfall and sunshine, drawn from the Open-Meteo Archive. Every month links to a full guide with what to pack, where to stay, and when to arrive.
The year in weather
Ljubljana weather by month
Pick a month for the full climate guide — temperature, rainfall, sunshine, packing tips and hotel deals for Ljubljana.
Places that feel like Ljubljana in september
Ljubljana weather — FAQ
Q01Which month is warmest in Ljubljana?
Which month is warmest in Ljubljana?
July runs the highest averages in Ljubljana, with typical daytime highs of 28°C (82°F). Plan around midday and consider accommodation with reliable cooling.
Q02Which month is chilliest in Ljubljana?
Which month is chilliest in Ljubljana?
January brings the lowest averages, with daytime highs near 5°C (41°F). Layer up and expect shorter daylight hours if you plan sightseeing.
Q03When is the rainy season in Ljubljana?
When is the rainy season in Ljubljana?
September typically records the highest monthly rainfall — around 148mm on average. Plan indoor alternatives and pack proper rain gear if visiting this month.
Q04How would you describe Ljubljana's weather?
How would you describe Ljubljana's weather?
Ljubljana, Slovenia has warm summers, cold winters, moderate seasonal rainfall. You can read the detailed month-by-month breakdown on this page.