May means different things for the two hemispheres. In the northern half, spring melts into summer, and in the southern, autumn, with all its virtues, gets into full swing. The Far East has its own climatic system, while in North America the weather becomes more clement. From the sun-baked streets of Santorini to vast expanses of untamed wilderness in Canada and the historic isles of the Inner Hebrides, here are some of our favourite locations for travellers wondering where to visit in May.