Celje weather in August 2025

Expect 24°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Celje in August. Check more long-term weather averages for Celje in August before you book your next holiday to Slovenia in 2025/2026.

  • 24°C maximum daytime temperature in August in Celje24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in August in Celje15
    15 days with some rainfall
  • 13°C minimum night-time temperature in August in Celje13
    13°C min night temperature
  • 14 hours of daylight per day in August in Celje14
    14 hours of daylight per day
  • Low heat & humidity in August in CeljeL
    Low heat & humidity
  • 130 mm monthly rainfall in August in Celje130
    130 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Celje7
    7 (High) UV index

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The August weather guide for Slovenia (Celje) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Celje in August?

Daytime temperatures usually reach 24°C in Celje in August, falling to 13°C at night.

How sunny is it in Celje in August?

There are normally 8 hours of bright sunshine each day in Celje in August - that's 54% of daylight hours.

Does it rain in Celje in August?

There are usually 15 days with some rain in Celje in August and the average monthly rainfall is 130mm.

Celje August sunrise & sunset times

Browse the sunrise and sunset times for Celje in August 2025. Select a month to view Celje sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:41 19:29
Saturday, 16th August 2025 04:59 19:06
Sunday, 31st August 2025 05:18 18:39

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