By May the UAE is starting to get very hot as the milder temperatures of Winter are replaced by the hotter and more humid summer conditions. Average temperatures are as high as 39 degrees by May in Dubai.

Rainfall is very low, although it usually rains at least one day in May for a short spell.

In the mountains the temperatures are a little lower and temperatures at night can be feel very cold once the sun has set. The desert also can be very cold at night, so warm clothing is essential.