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SloveniaSlovenia Osrednjeslovenska Ljubljana
Ljubljana
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Ljubljana Weather and Climate: A Comprehensive Guide

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 maximum day and minimum 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 average lows reaching -2°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

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

The average number of days each month with precipitation

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. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Average humidity

The relative humidity is high throughout the year in Ljubljana.

The city experiences its highest humidity in December, reaching 87%. In July, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

Average wind speed

The mean wind speed over the year ranges from 2 m/s in August and September to 4 m/s in March and April.

The mean monthly wind speed over the year (meters per second)

Forecast for Ljubljana

Sat   Jan 11
2°C | -6°C
E 2 m/s
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
Sun   Jan 12
2°C | -7°C
E 2 m/s
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
Mon   Jan 13
2°C | -7°C
NE 4 m/s
almost clear and no rain

almost clear and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

Select a Month of Interest

Check the conditions for any month of the year.

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:
  • Which is the warmest month in Ljubljana?
    July has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Ljubljana?
    The coldest month is January with an average maximum temperature of 5°C.
  • Which is the wettest month in Ljubljana?
    September tops the wettest month list with 132 mm of rainfall.
  • Which is the driest month in Ljubljana?
    January is the driest month with 63 mm of precipitation.
  • Which is the sunniest month in Ljubljana?
    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.

     

     


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