Ios weather in January 2026

Expect 13°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Ios in January based on long-term weather averages. There is usually 11 days with some rainfall and 99 mm of average monthly rainfall in January.

  • 13°C maximum daytime temperature in January in Ios13
    13°C max day temperature
  • 4 hours of sunshine per day
  • 11 days with some rainfall in January in Ios11
    11 days with some rainfall
  • 8°C minimum night-time temperature in January in Ios8
    8°C min night temperature
  • 10 hours of daylight per day in January in Ios10
    10 hours of daylight per day
  • No heat & humidity in January in Ios0
    No heat & humidity
  • 99 mm monthly rainfall in January in Ios99
    99 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Ios2
    2 (Low) UV index
  • 16°C sea temperature in January in Ios16
    16°C sea temperature

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The January weather guide for Greece (Ios) 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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More about Greece

How warm is it in Ios in January?

Daytime temperatures usually reach 13°C in Ios in January, falling to 8°C at night.

How sunny is it in Ios in January?

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

How warm is the sea around Ios in January?

The average sea temperature around Ios in January is 16°C.

Does it rain in Ios in January?

There are usually 11 days with some rain in Ios in January and the average monthly rainfall is 99mm.

Ios January sunrise & sunset times

Browse the sunrise and sunset times for Ios in January 2026. Select a month to view Ios sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:31 17:14
Friday, 16th January 2026 07:30 17:27
Saturday, 31st January 2026 07:22 17:43

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