Argostoli, Kefalonia weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: June – September
What is the weather like in Argostoli, Kefalonia in January?
In January, Argostoli, Kefalonia is cool: daytime highs average 14 °C, and nights cool down to about 11 °C. The sea averages 16.2 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 125 mm in total. It is often windy, with gusts of around 33 km/h. All in all, January is not an ideal month for a holiday in Argostoli, Kefalonia.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 14 | 14 | 19 |
| Day | 15° | 14° | 14° |
| Night | 13° | 11° | 11° |
| Sea | 18° | 16° | 16° |
| Sun | 4 h | 5 h | 6 h |
| Rain days | 14 | 13 | 11 |
More details for January
- Daylight
- 9 h 47 min07:53 – 17:40
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 33 km/haverage daily peak
- Cloud cover
- 53 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+2Europe/Athens
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %33 %
- Few rainy daysweight 20 %36 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in January
- A jumper for the evenings
- Rain jacket or umbrella
- Windproof jacket
Argostoli, Kefalonia in January: quick answers
Is Argostoli, Kefalonia hot in January?
No. In January, Argostoli, Kefalonia is cool: daytime highs average 14 °C and nights drop to about 11 °C.
Can you swim in Argostoli, Kefalonia in January?
Only if you don't mind cold water: in January the sea averages just 16.2 °C. Comfortable swimming is possible from June to November.
Does it rain much in Argostoli, Kefalonia in January?
Rain is frequent, with about 13 rainy days and 125 mm in total.
Argostoli, Kefalonia month by month
The whole year in Argostoli, KefaloniaAll destinations: GreeceGreek Islands weather in JanuaryWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)