Celje weather in May 2025

Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Celje in May. Check more long-term weather averages for Celje in May before you book your next holiday to Slovenia in 2025/2026.

  • 20°C maximum daytime temperature in May in Celje20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in May in Celje16
    16 days with some rainfall
  • 8°C minimum night-time temperature in May in Celje8
    8°C min night temperature
  • 15 hours of daylight per day in May in Celje15
    15 hours of daylight per day
  • No heat & humidity in May in Celje0
    No heat & humidity
  • 102 mm monthly rainfall in May in Celje102
    102 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Celje7
    7 (High) UV index

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The May 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 May?

Daytime temperatures usually reach 20°C in Celje in May, falling to 8°C at night.

How sunny is it in Celje in May?

There are normally 7 hours of bright sunshine each day in Celje in May - that's 49% of daylight hours.

Does it rain in Celje in May?

There are usually 16 days with some rain in Celje in May and the average monthly rainfall is 102mm.

Celje May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:45 19:08
Friday, 16th May 2025 04:25 19:27
Saturday, 31st May 2025 04:11 19:42

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