Syros weather in June 2025

Expect 26°C daytime maximum temperatures in the shade with on average 13 hours of sunshine per day in Syros in June. Check more long-term weather averages for Syros in June before you book your next holiday to Syros in 2025/2026.

  • 26°C maximum daytime temperature in June in Syros (Ermoupolis)26
    26°C max day temperature
  • 13 hours of sunshine per day
  • 1 day with some rainfall in June in Syros (Ermoupolis)1
    1 day with some rainfall
  • 19°C minimum night-time temperature in June in Syros (Ermoupolis)19
    19°C min night temperature
  • 15 hours of daylight per day in June in Syros (Ermoupolis)15
    15 hours of daylight per day
  • Low heat & humidity in June in Syros (Ermoupolis)L
    Low heat & humidity
  • 5 mm monthly rainfall in June in Syros (Ermoupolis)5
    5 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in June in Syros (Ermoupolis)9
    9 (Very High) UV index
  • 22°C sea temperature in June in Syros (Ermoupolis)22
    22°C sea temperature

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The June weather guide for Syros, represented by Ermoupolis, (Ermoupolis) 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 Syros in June?

Daytime temperatures usually reach 26°C in Ermoupolis, Syros in June with low heat and humidity, falling to 19°C at night.

How sunny is it in Syros in June?

There are normally 13 hours of bright sunshine each day in Ermoupolis, Syros in June - that's 86% of daylight hours.

How warm is the sea around Syros in June?

The average sea temperature around Ermoupolis, Syros in June is 22°C.

Does it ever rain in Syros in June?

There is usually 1 day with some rain in Ermoupolis, Syros in June and the average monthly rainfall is 5mm.

Syros June sunrise & sunset times

Browse the sunrise and sunset times for Syros in June 2025. Select a month to view Syros sunrise and sunset times for the next 12 months. The Syros sunrise and sunset times shown below are for Ermoupolis.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 05:01 19:36
Sunday, 15th June 2025 04:59 19:43
Monday, 30th June 2025 05:03 19:45

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