Hassan Rouhani's comments mark the highest-level response from Iran to Biden and Vice President-elect Kamala Harris clinching the November 3 election.
In May 2018, US President Donald Trump withdrew from a landmark deal that gave Iran relief from sanctions in return for UN-verified guarantees that it is not seeking nuclear weapons.
Rouhani's remarks came after Iran's ambassador to the United Nations said the US would have to redraft its proposed resolution.
Officially, the virus has so far killed close to 14,000 people and infected more than 269,400 in the country with a population of more than 80 million.
The Islamic republic is among the three countries hardest hit by the virus, with an official death toll behind only Italy and China.
Rouhani's government says the virus has killed 1,135 people out of 17,361 cases of infections since it first emerged in the Islamic republic a month ago.
Russian President Vladimir Putin too sounded critical of the US decision, saying the move may destabilise the Gulf region.
The following is a selection of reactions from around the globe to Trump's biggest foreign policy move since taking office.
President Hassan Rouhani also said Iran could resume uranium enrichment without limit in response to Trump's announcement.
Trump said the 2015 agreement, which included Germany, France and Britain, was a "horrible one-sided deal that should never ever have been made."
Iran president Hassan Rouhani warns of 'problems' as US President Donald Trump's nuclear deal decision looms
Iran's president today warned the country could face 'some problems' ahead of President Donald Trump's decision on whether to pull out of its nuclear deal with world powers.
Rouhani urged Muslims to treat all human beings with love and affection in the true spirit of Islam.
On his historic visit to Hyderabad, the president expressed Iran’s intentions to maintain friendly relations with not only Islamic countries but others as well.
Iran's president said on Thursday that his country was ready to help promote dialogue as a way to end bloodshed in countries like Afghanistan, Iraq, Syria and Yemen.
The visiting dignitary later left for Taj Krishna, a five-star hotel in Banjara Hills, where he will stay over next two days.