Iran recorded 458 deaths on Monday, bringing the total death toll to 38,749, according to governmental statistics.
On Sunday, the country recorded 459 deaths, the highest tally since the outbreak began in February.
Iran is the worst hit country in the Middle East with a total number of 692,949 cases.
Iran's Supreme Leader Ayatollah Ali Khamenei said last month that the country was suffering through a third wave of the pandemic.