Argostoli, Kefalonia weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Good
Best time to visit: June – September
What is the weather like in Argostoli, Kefalonia in October?
In October, Argostoli, Kefalonia is warm: daytime highs average 22 °C, and nights cool down to about 19 °C. The sea averages 22.8 °C – refreshing for a swim. The sun shines for around 8 hours a day. Rain is frequent, with about 9 rainy days and 108 mm in total. All in all, October is a good month for a holiday in Argostoli, Kefalonia.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 97 | 65 | 28 |
| Day | 25° | 22° | 19° |
| Night | 22° | 19° | 16° |
| Sea | 25° | 23° | 21° |
| Sun | 9 h | 8 h | 6 h |
| Rain days | 6 | 9 | 13 |
More details for October
- Daylight
- 11 h 16 min07:45 – 19:02
- UV index
- 4 · moderateclear sky, noon (estimate)
- Muggy days
- 5 daysdew point 18 °C or more
- Wind
- 27 km/haverage daily peak
- Cloud cover
- 40 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+3Europe/Athens
How the score comes together
- Temperatureweight 35 %48 %
- Seaweight 25 %83 %
- Sunshineweight 20 %75 %
- Few rainy daysweight 20 %64 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Rain jacket or umbrella
Argostoli, Kefalonia in October: quick answers
Is Argostoli, Kefalonia hot in October?
Warm rather than hot: in October, daytime highs in Argostoli, Kefalonia average 22 °C and nights cool to about 19 °C.
Can you swim in Argostoli, Kefalonia in October?
Yes. In October the sea averages 22.8 °C – refreshing for a swim.
Does it rain much in Argostoli, Kefalonia in October?
Rain is frequent, with about 9 rainy days and 108 mm in total.
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)