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
86°F max day temperature
13
13 hours of sunshine per day
2
2 days with some rainfall
66
66°F min night temperature
15
15 hours of daylight per day
H
High heat & humidity
0.4
0.4 inches of monthly rainfall
9
9 (Very High) UV index
75
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)

More about Greece

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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Kefalonia - quick facts
Flight time^✝	3.5 hours
Time difference	UK +2 hours
Language(s)	Greek
Currency	Euro
Electricity	C + F plug (230V)
Driving side	Right
Why visit?	Beaches Nature
Tourist info