Argostoli weather in October 2026

Q: How hot is it in Argostoli in October?

Daytime temperatures usually reach 22°C in Argostoli in October, falling to 14°C at night.

Q: How sunny is it in Argostoli in October?

There are normally 7 hours of bright sunshine each day in Argostoli in October - that's 61% of daylight hours.

Q: How warm is the sea around Argostoli in October?

The average sea temperature around Argostoli in October is 22°C.

Q: Does it rain in Argostoli in October?

There are usually 10 days with some rain in Argostoli in October and the average monthly rainfall is 135mm.

Expect daytime maximum temperatures of 72°F in Argostoli, Kefalonia in October based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 5.3 inches of rainfall in the month.

72
72°F max day temperature
7
7 hours of sunshine per day
10
10 days with some rainfall
57
57°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
5.3
5.3 inches of monthly rainfall
4
4 (Moderate) UV index
72
72°F sea temperature

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The October 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)