Syros weather in January 2025

Expect 55°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Syros in January. Check more long-term weather averages for Syros in January before you book your next holiday to Syros in 2025/2026.

  • 55°F maximum daytime temperature in January in Syros (Ermoupolis)55
    55°F max day temperature
  • 4 hours of sunshine per day
  • 10 days with some rainfall in January in Syros (Ermoupolis)10
    10 days with some rainfall
  • 46°F minimum night-time temperature in January in Syros (Ermoupolis)46
    46°F min night temperature
  • 10 hours of daylight per day in January in Syros (Ermoupolis)10
    10 hours of daylight per day
  • No heat & humidity in January in Syros (Ermoupolis)0
    No heat & humidity
  • 3.5 inches monthly rainfall in January in Syros (Ermoupolis)3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Syros (Ermoupolis)2
    2 (Low) UV index
  • 59°F sea temperature in January in Syros (Ermoupolis)59
    59°F sea temperature

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The January 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)  |  Imperial (°F)

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How warm is it in Syros in January?

Daytime temperatures usually reach 55°F in Ermoupolis, Syros in January, falling to 46°F at night.

How sunny is it in Syros in January?

There are normally 4 hours of bright sunshine each day in Ermoupolis, Syros in January - that's 43% of daylight hours.

How warm is the sea around Syros in January?

The average sea temperature around Ermoupolis, Syros in January is 59°F.

Does it rain in Syros in January?

There are usually 10 days with some rain in Ermoupolis, Syros in January and the average monthly rainfall is 3.5 inches.

Syros January sunrise & sunset times

Browse the sunrise and sunset times for Syros in January 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
Wednesday, 1st January 2025 07:35 17:13
Thursday, 16th January 2025 07:33 17:27
Friday, 31st January 2025 07:24 17:43

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