PMD says Pakistan to receive less rainfall in May than usual By PMD says Pakistan may receive less rainfall in May than usual. Weather department notes that Central Punjab will, however, receive normal rain cycles. Two rain cycles and one or two heat waves expected in Punjab, Sindh, and Balochistan during ongoing month of May. The Pakistan Meteorological Department (PMD) has said that Pakistan may receive less rainfall in May than usual, Geo News reported on Thursday. The weather department noted that Central Punjab will, however, receive normal rain cycles. Two rain cycles and one or two heat waves are expected in Punjab, Sindh, and Balochistan during the ongoing month of May, the Met office added.