After a slight decrease from severe levels, the mercury is hovering around 40 degrees Celsius in most regions
He arrived in a Singapore Airlines flight at Shahjalal International Airport at 10:40pm on Monday.
Industries Minister Amir Hossain Amu, Commerce Minister Tofail Ahmed, State Minister for Foreign Affairs Shahriar Alam received him at the airport.
Deans of diplomatic corps, chiefs of the three forces, and senior government officials were also there.
Hamid left Dhaka on Wednesday after physicians at Dhaka’s Combined Military Hospital advised him to go to Singapore after he complained of severe chest pain.
The 72-year old had gone to the UK for eye and health check-up last month and returned home after eight days.