Kairouan. Lowland parts of the province are semi-arid, experiencing in most years light rains in the winter months and scant rainfall in other months but higher parts attract relief precipitation in and around the Djebel Zhagdoud and a large part of the Djebel Serj national parks, in the north-east of the province which are geologically outcrops of the Dorsal Atlas mountains in the province to the north.