Ljubljana Climate by Month
Ljubjana, the capital of Slovenia can best be visited in late spring (May and June) or early spring (September or October). Summer in Ljubjana is from June to August, that is also the holliday season. These months have warm 25°C mostly sunny days. Winter is from November to March and this is off season. Winters in Ljubljana are rainy and cold with temperatures around 0°C.
Average day and night temperature
In Ljubljana, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C in July to a chilly 5°C in January. Nighttime temperatures can drop, with averages reaching -2°C in January.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Ljubljana experiences significant rain/snowfall throughout the year, averaging 1241 mm of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, September, sees around 132 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, January, still receives a respectable 63 mm of snow/rainfall.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
In Ljubljana, summer days are longer and more sunny, with daily sunshine hours peaking at 9.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.9 hours per average day.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Ljubljana.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Ljubljana ranges from 2°C in August to 4°C in March.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Ljubljana in Slovenia
During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
July has an average maximum temperature of 27°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 5°C.
September tops the wettest month list with 132 mm of rainfall.
January is the driest month with 63 mm of precipitation.
July is the sunniest month with an average of 291 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.