Argostoli weather in July 2025

Expect 86°F daytime maximum temperatures in the shade with on average 13 hours of sunshine per day in Argostoli in July. Check more long-term weather averages for Argostoli in July before you book your next holiday to Kefalonia in 2025/2026.

  • 86°F maximum daytime temperature in July in Argostoli86
    86°F max day temperature
  • 13 hours of sunshine per day
  • 2 days with some rainfall in July in Argostoli2
    2 days with some rainfall
  • 66°F minimum night-time temperature in July in Argostoli66
    66°F min night temperature
  • 15 hours of daylight per day in July in Argostoli15
    15 hours of daylight per day
  • High heat & humidity in July in ArgostoliH
    High heat & humidity
  • 0.4 inches monthly rainfall in July in Argostoli0.4
    0.4 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in Argostoli9
    9 (Very High) UV index
  • 75°F sea temperature in July in Argostoli75
    75°F sea temperature

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The July 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 July?

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

How sunny is it in Argostoli in July?

There are normally 13 hours of bright sunshine each day in Argostoli in July - that's 88% of daylight hours.

How warm is the sea around Argostoli in July?

The average sea temperature around Argostoli in July is 75°F.

Does it ever rain in Argostoli in July?

There are usually 2 days with some rain in Argostoli in July and the average monthly rainfall is 0.4 inches.

Argostoli July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:19 20:05
Wednesday, 16th July 2025 05:28 20:00
Thursday, 31st July 2025 05:40 19:49

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