According to the Ministry of Home Affairs, seven persons were killed in Sunsari district in southern Nepal.
Four persons were killed in Sindhuli, four each in Jhapa and Sindhuli districts, three each in Banke, Morang and Panchthar districts and the rest others in different districts.
Hundreds of families have been displaced in the floods and landslides across the country.
Meanwhile, Nepal Cabinet held an emergency meeting during which Prime Minister Sher Bahadur Deuba ordered the local district administrations to intensify the rescue and release activities.
Jhapa, Morang Sunsari, Sapttari, Siraha, Sarlahi, Rautahat, Banke, Bardiya and Dang districts were the worst affected by flood.
Hundreds of houses have been submerged in Morang. Biratnagar airport has been closed after flood water gushed into the airport area.