ClimateForecastDecemberJanuary >>

Celje Climate by Month

The climate in Celje is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to cold in the cooler months. It is also known for its large amounts of rain/snowfall. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

In Celje, temperatures differ significantly between summer and winter months. Typically, daytime temperatures range from a comfortable 27°C in July to a chilly 5°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -3°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Celje experiences significant rain/snowfall throughout the year, averaging 1055 mm of precipitation annually. The climate in Celje shows significant variation throughout the year. Expect high rainfall in June, with an average of 112 mm of precipitation over 16 rainy days.

In contrast, January offers drier and sunnier days, with around 46 mm of snow/rainfall over 12 snowy/rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Celje serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.3 hours of sunshine daily, and embrace the darker days in December, offering only 2.3 hours of daily sunlight.

Monthly hours of sunshine

Data from: Maribor, Slovenia (46 KM, 28 Miles).

Daily hours of sunshine

Data from: Maribor, Slovenia (46 KM, 28 Miles).

The best time of year to visit Celje 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 Celje?
    July has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Celje?
    The coldest month is January with an average maximum temperature of 5°C.
  • Which is the wettest month in Celje?
    June tops the wettest month list with 112 mm of rainfall.
  • Which is the driest month in Celje?
    January is the driest month with 46 mm of precipitation.
  • Which is the sunniest month in Celje?
    July is the sunniest month with an average of 278 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.

    Forecast for Celje

    Sun   Dec 15
    8°C | -2°C
    NW 7 km/h
    almost clear and no rain

    almost clear and no rain

    Mon   Dec 16
    9°C | -1°C
    W 7 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Tue   Dec 17
    9°C | -1°C
    W 7 km/h
    almost clear and no rain

    almost clear and no rain