Argostoli weather in August 2025

Expect 86°F daytime maximum temperatures in the shade with on average 12 hours of sunshine per day in Argostoli in August. Check more long-term weather averages for Argostoli in August before you book your next holiday to Kefalonia in 2025/2026.

  • 86°F maximum daytime temperature in August in Argostoli86
    86°F max day temperature
  • 12 hours of sunshine per day
  • 2 days with some rainfall in August in Argostoli2
    2 days with some rainfall
  • 66°F minimum night-time temperature in August in Argostoli66
    66°F min night temperature
  • 14 hours of daylight per day in August in Argostoli14
    14 hours of daylight per day
  • High heat & humidity in August in ArgostoliH
    High heat & humidity
  • 0.6 inches monthly rainfall in August in Argostoli0.6
    0.6 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Argostoli9
    9 (Very High) UV index
  • 79°F sea temperature in August in Argostoli79
    79°F sea temperature

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The August weather guide for Kefalonia (Argostoli) 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 hot is it in Argostoli in August?

Daytime temperatures usually reach 86°F in Argostoli in August with high heat and humidity, falling to 66°F at night.

How sunny is it in Argostoli in August?

There are normally 12 hours of bright sunshine each day in Argostoli in August - that's 85% of daylight hours.

How warm is the sea around Argostoli in August?

The average sea temperature around Argostoli in August is 79°F.

Does it ever rain in Argostoli in August?

There are usually 2 days with some rain in Argostoli in August and the average monthly rainfall is 0.6 inches.

Argostoli August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:41 19:48
Saturday, 16th August 2025 05:54 19:30
Sunday, 31st August 2025 06:07 19:09

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