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
20°C max day temperature
7
7 hours of sunshine per day
16
16 days with some rainfall
8
8°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
102
102 mm of monthly rainfall
7
7 (High) UV index

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Destination

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)

More about Slovenia

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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Slovenia - quick facts
Flight time^✝	2 hours
Time difference	UK +1 hour
Language(s)	Slovenian
Currency	Euro
Electricity	C + F plug (230V)
Driving side	Right
Why visit?	Beaches Nature Nightlife
Tourist info	Slovenian Tourist Board