2010 July floods swept 20 % of Pakistan 's land , the flood is the result of unprecedented Monsoon rains which lasted from 28 July to 31 July 2010 . Khyber Pakhtunkhwa and North eastern Punjab were badly affected during the monsoon rains when dams , rivers and lakes overflowed . By mid-August , according to the governmental Federal Flood Commission ( FFC ) , the floods had caused the deaths of at least 1,540 people , while 2,088 people had received injuries , 557,226 houses had been destroyed , and over 6 million people had been displaced . One month later , the data had been updated to reveal 1,781 deaths , 2,966 people with injuries , and more than 1.89 million homes destroyed . The flood affected more than 20 million people exceeding the combined total of individuals affected by the 2004 Indian Ocean tsunami , the 2005 Kashmir earthquake and the 2010 Haiti earthquake . The flood is considered as worst in Pakistan 's history affecting people of all four provinces and Gilgit – Baltistan and Azad Kashmir region of Pakistan
2005 Kashmir earthquake
2005 Kashmir earthquake
Climate of Pakistan