At least 431 houses were damaged.
Several people had to be hospitalised for hypothermia because they were trapped in their cars by hail and floods.
In Atizapán de Zaragoza, a hospital had to be evacuated because of flooding.
A thunderstorm brought heavy rain with up to 74 litres per square metre. Atizapán de Zaragoza, Thalbepantla and Estado de México are particularly affected.