Ios weather in August 2025

Expect 26°C daytime maximum temperatures in the shade with on average 13 hours of sunshine per day in Ios in August. Check more long-term weather averages for Ios in August before you book your next holiday to Greece in 2025/2026.

  • 26°C maximum daytime temperature in August in Ios26
    26°C max day temperature
  • 13 hours of sunshine per day
  • 0 days with some rainfall in August in Ios0
    0 days with some rainfall
  • 21°C minimum night-time temperature in August in Ios21
    21°C min night temperature
  • 14 hours of daylight per day in August in Ios14
    14 hours of daylight per day
  • Moderate heat & humidity in August in IosM
    Moderate heat & humidity
  • 2 mm monthly rainfall in August in Ios2
    2 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Ios9
    9 (Very High) UV index
  • 24°C sea temperature in August in Ios24
    24°C sea temperature

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The August 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 hot is it in Ios in August?

Daytime temperatures usually reach 26°C in Ios in August with moderate heat and humidity, falling to 21°C at night.

How sunny is it in Ios in August?

There are normally 13 hours of bright sunshine each day in Ios in August - that's 94% of daylight hours.

How warm is the sea around Ios in August?

The average sea temperature around Ios in August is 24°C.

Does it ever rain in Ios in August?

There are usually no days with some rain in Ios in August and the average monthly rainfall is 2mm.

Ios August sunrise & sunset times

Browse the sunrise and sunset times for Ios in August 2025. Select a month to view Ios sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:25 19:25
Saturday, 16th August 2025 05:37 19:09
Sunday, 31st August 2025 05:49 18:49

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