Click on a day for an hourly weather forecast
The temperatures in Kefalonia in May are comfortable with low of 19°C and and high up to 20°C.
You can expect a few rainy days in Kefalonia during May, but usually the weather is comfortable in May.
Our weather forecast can give you a great sense of what weather to expect in Kefalonia in May 2025.
If you’re planning to visit Kefalonia in the near future, we highly recommend that you review the 14 day weather forecast for Kefalonia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 14° / 12° | 7 | 24 | 0 | 138 mm | Ok | Kefalonia in January |
| February | 14° / 12° | 5 | 23 | 0 | 108 mm | Good | Kefalonia in February |
| March | 15° / 13° | 4 | 27 | 0 | 75 mm | Good | Kefalonia in March |
| April | 17° / 15° | 2 | 28 | 0 | 41 mm | Good | Kefalonia in April |
| May | 20° / 19° | 1 | 30 | 0 | 25 mm | Good | Kefalonia in May |
| June | 24° / 22° | 1 | 29 | 0 | 30 mm | Perfect | Kefalonia in June |
| July | 26° / 25° | 1 | 30 | 0 | 8 mm | Perfect | Kefalonia in July |
| August | 28° / 26° | 0 | 31 | 0 | 6 mm | Perfect | Kefalonia in August |
| September | 25° / 24° | 4 | 26 | 0 | 107 mm | Perfect | Kefalonia in September |
| October | 22° / 21° | 7 | 24 | 0 | 155 mm | Ok | Kefalonia in October |
| November | 19° / 18° | 6 | 24 | 0 | 155 mm | Good | Kefalonia in November |
| December | 16° / 14° | 6 | 25 | 0 | 129 mm | Good | Kefalonia in December |