The officials, speaking on condition of anonymity, said three civilians lost their lives and eight others sustained injuries when a bomb exploded near a restaurant in Baghdad’s northwestern district of Shula on Tuesday.
In Baghdad’s northern Shaab neighborhood, a bomb blast killed one civilian and wounded five, the sources said.
A similar bomb attack on a commercial street in the town of Youssifiyah, located 20 kilometers (12 miles) south of the Iraqi capital, also killed three civilians and wounded nine others.
Meanwhile, police officer and a civilian were killed and five others wounded when an explosion targeted a police patrol in the city of Madain, located 32 kilometers (20 miles) southeast of Baghdad.
Two more civilians were killed and seven others wounded after a bomb blast struck an outdoor market in the city of Latifiyah, situated about 30 kilometers (20 miles) south of Baghdad.
In a separate incident, an explosive-laden car detonated in the town of Mishada, located 30 kilometers (20 miles) north of Baghdad, killing at least four civilians and wounding 12 others.
No group has claimed responsibility for the acts of violence, but such incidents are often attributed to Daesh.
According to the UN Assistance Mission for Iraq (UNAMI), a total of 1,375 Iraqis lost their lives last month, while 2,240 others were injured as a result of attacks in the country.
The UN mission added that 790 civilians were among the fatalities. The number of civilians injured also stood at 1,469. Violence also claimed the lives of a further 585 members of the Iraqi army, while 771 others sustained injuries.
A great portion of the casualties was recorded in Baghdad, where 256 civilians were killed and 758 others wounded.
Daesh started its campaign of terror in Iraq in early June 2014. The heavily-armed militants took control of the city of Mosul before sweeping through parts of the country’s Sunni Arab heartland.
Iraqi soldiers, police units, Kurdish forces, Shia volunteers and Sunni tribesmen have recently succeeded in driving the terrorists out of some areas in Iraq.