Galissas weather in November 2025

Q: How hot is it in Galissas in November?

Daytime temperatures usually reach 18°C in Galissas in November, falling to 13°C at night.

Q: How sunny is it in Galissas in November?

There are normally 5 hours of bright sunshine each day in Galissas in November - that's 52% of daylight hours.

Q: How warm is the sea around Galissas in November?

The average sea temperature around Galissas in November is 18°C.

Q: Does it rain in Galissas in November?

There are usually 8 days with some rain in Galissas in November and the average monthly rainfall is 63mm.

Expect 18°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Galissas in November. Check more long-term weather averages for Galissas in November before you book your next holiday to Syros in 2025/2026.

18
18°C max day temperature
5
5 hours of sunshine per day
8
8 days with some rainfall
13
13°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
63
63 mm of monthly rainfall
3
3 (Moderate) UV index
18
18°C sea temperature

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The November weather guide for Syros, represented by Galissas, (Galissas) 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)