April is the month the island wakes up. I live and work here year round, and this is the stretch where you can feel it changing week by week — shutters coming off, terraces being repainted, the first real crowds still a month away.
It's one of my favourite times to recommend, but only if you come for the right reasons. April is not a beach holiday. The sea is cold. What you get instead is the island at a pace you'll never see in July.