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Portoroz weather in June 2025
Expect 25°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Portoroz in June. Check more long-term weather averages for Portoroz in June before you book your next holiday to Slovenia in 2025/2026.
- 2525°C max day temperature
- 8 hours of sunshine per day
- 1414 days with some rainfall
- 1515°C min night temperature
- 1616 hours of daylight per day
- 0No heat & humidity
- 115115 mm of monthly rainfall
- 88 (Very High) UV index
- 2222°C sea temperature
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Recommended for Slovenia
The June weather guide for Slovenia (Portoroz) 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 Portoroz in June?
Daytime temperatures usually reach 25°C in Portoroz in June with no heat and humidity, falling to 15°C at night.
How sunny is it in Portoroz in June?
There are normally 8 hours of bright sunshine each day in Portoroz in June - that's 51% of daylight hours.
How warm is the sea around Portoroz in June?
The average sea temperature around Portoroz in June is 22°C.
Does it rain in Portoroz in June?
There are usually 14 days with some rain in Portoroz in June and the average monthly rainfall is 115mm.
Portoroz June sunrise & sunset times
Browse the sunrise and sunset times for Portoroz in June 2025. Select a month to view Portoroz sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Sunday, 1st June 2025 | 04:20 | 19:47 |
Sunday, 15th June 2025 | 04:16 | 19:56 |
Monday, 30th June 2025 | 04:20 | 19:58 |
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