Mild in Mar
20°C average high
avg high · 10° at night
25°C+ on 1 in 10 days
Greece
Kefalonia weather in March
Is it warm? Not really. March in Kefalonia is cool: afternoons average 17°C and nights 10°C. Most days (80%) peak between 15°C and 19°C.
Cool · average high
17°C
25°C or more on almost no days; 20°C or more on about one in ten days.
- Average low10°overnight
- Sea16°average, 2022–2025
- Rainy days990 mm in the month
- SkyOften cloudy46% cloud · 34% clear days
How warm it really gets
Every March afternoon from 2011–2025: 465 days. Most (80%) peaked between 15° and 19°.
March, year by year
The average March high in each year. The warmest, 2025, averaged 18°C; the coolest, 2022, 15°C.
Compared with home
Average March highs. Expect rain on about 9 days (90 mm in a typical month).
- Kefalonia17°
- London12°
- Cork11°
- Dublin11°
- Glasgow10°
- Belfast10°
- Manchester10°
Warmer in March, not much further
Flying times are estimates from Dublin; Kefalonia is about 3h 45m.
Cool in Mar
19°C average high
avg high · 11° at night
25°C+ on 1 in 10 days
Cool in Mar
19°C average high
avg high · 11° at night
25°C+ on rarely
Air: Copernicus ERA5-Land, 2011–2025, matched to the official averages for Kefalonia airport. Sea: Copernicus ERA5, 2022–2025. Rainy days = days with 1 mm of rain or more, as weather stations count them. Clear day = average cloud cover of 30% or less. These are averages of past weather, not a forecast. Methodology