Located approximately 140 kilometers (87 miles) southwest of Ṣan‘ā, in Lower Yemen (Ar. al-Yaman al-Asfal), Ibb is the name of a town which lies on the southwestern spur of the Baʿadan massif, and also the name of the province composed of areas to its northwest and southeast. Ibb town is the administrative center of the province. The Indian Ocean monsoon system provides regular rainfall in the late spring and summer, and as a result Ibb’s climate is the wettest in southern Arabia and produces the highest per u…