 Annual rainfall under also occurs on the southern coast of Haiti's northwest peninsula and in the central Azúa region of the Plaine du Cul-de-Sac.In these regions, moreover, there is generally little rainfall outside hurricane season from August to October, and droughts are by no means uncommon when hurricanes do not come.On the northern coast, in contrast, rainfall may peak between December and February, though some rain falls in all months of the year.