Best time to visit Syros

Find the best time to visit Syros and plan your perfect trip in 2024/2025. Get holiday inspiration, weather guides, travel advice and find great deals.

Syros by month

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

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When is the best time to visit Syros?

The best time to visit Syros (Ermoupolis) is May, June, July, August and September based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 13°C maximum daytime temperature in January in Syros (Ermoupolis)13
    Jan
  • 13°C maximum daytime temperature in February in Syros (Ermoupolis)13
    Feb
  • 15°C maximum daytime temperature in March in Syros (Ermoupolis)15
    Mar
  • 18°C maximum daytime temperature in April in Syros (Ermoupolis)18
    Apr
  • 22°C maximum daytime temperature in May in Syros (Ermoupolis)22
    May
  • 26°C maximum daytime temperature in June in Syros (Ermoupolis)26
    Jun
  • 28°C maximum daytime temperature in July in Syros (Ermoupolis)28
    Jul
  • 27°C maximum daytime temperature in August in Syros (Ermoupolis)27
    Aug
  • 25°C maximum daytime temperature in September in Syros (Ermoupolis)25
    Sep
  • 21°C maximum daytime temperature in October in Syros (Ermoupolis)21
    Oct
  • 18°C maximum daytime temperature in November in Syros (Ermoupolis)18
    Nov
  • 15°C maximum daytime temperature in December in Syros (Ermoupolis)15
    Dec

Hours of Sunshine (daily)

Best time to visit

The weather guide for Syros, represented by Ermoupolis, (Ermoupolis) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Which is the hottest month in Syros?

The hottest time of year in Ermoupolis, Syros is normally July. Expect maximum daytime temperatures to reach 28°C with moderate heat and humidity.

Which month has the most rain in Syros?

In terms of rainfall, December is usually the wettest month in Ermoupolis, Syros with 91mm on average. There are normally 11 days in December with some rain.

When is it sunniest in Syros?

The sunniest time of year in Ermoupolis, Syros is normally July with bright sunshine on average for 93% of daylight hours; that's 14 hours of sunshine per day.

When is the sea warmest in Syros?

The sea is usually at its warmest in Ermoupolis, Syros in August when the water temperature reaches 24°C.

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