Syros weather in June 2025

Q: 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.

Q: 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.

Q: How warm is the sea around Syros in June?

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

Q: 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.

Expect 26°C daytime maximum temperatures in the shade with on average 13 hours of sunshine per day in Syros in June based on long-term weather averages. There is usually 1 day with some rainfall and 5 mm of average monthly rainfall in June.

26
26°C max day temperature
13
13 hours of sunshine per day
1
1 day with some rainfall
19
19°C min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
5
5 mm of monthly rainfall
9
9 (Very High) UV index
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)

More about Greece

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.

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