Argostoli, Kefalonia weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Excellent
Best time to visit: June – September
What is the weather like in Argostoli, Kefalonia in July?
In July, Argostoli, Kefalonia is hot: daytime highs average 27 °C, and even at night it stays warm at around 24 °C. The sea averages 24.9 °C – pleasant for swimming. With around 13 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The air is often humid and muggy. All in all, July is an excellent month for a holiday in Argostoli, Kefalonia.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 14 h 35 min06:26 – 21:01
- UV index
- 10 · very highclear sky, noon (estimate)
- Muggy days
- 28 daysdew point 18 °C or more
- Wind
- 25 km/haverage daily peak
- Cloud cover
- 5 %on average
- Hot days
- 1 day30 °C or more
- Time zone
- UTC+3Europe/Athens
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in July
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
Argostoli, Kefalonia in July: quick answers
Is Argostoli, Kefalonia hot in July?
Yes. In July, Argostoli, Kefalonia is hot: daytime highs average 27 °C and nights stay around 24 °C. On about 1 days the thermometer climbs to 30 °C or more.
Can you swim in Argostoli, Kefalonia in July?
Yes. In July the sea averages 24.9 °C – pleasant for swimming.
Does it rain much in Argostoli, Kefalonia in July?
It hardly ever rains.
Argostoli, Kefalonia month by month
The whole year in Argostoli, KefaloniaAll destinations: Greece
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)