Laurent Fabius, the French foreign minister, also said on Saturday that the conference would go ahead, but with enhanced security measures.
"COP 21 must be held. It will be held with reinforced security measures, but it is absolutely essential action against climate change and of course it will be held," he said, in a statement CNBC translated from the French Ministry of Foreign Affairs' website.
French Prime Minister Manuel Valls told radio network, RTL France, that no head of state has asked for it to be postponed.
However, he added that a protest march set for November 29 in Paris ahead of the conference was now in question and that "sideline" cultural events such as a scheduled concert might be cancelled in order to prioritize security for "negotiators, scientists and journalists."
"Nothing should be done that could endanger, including by crowd movements, the people who come to Paris. If we organize this big event, security forces must concentrate on what is essential," Valls told RTL France.
Florian Otto, head of Europe and Central Asia at risk consultancy, Verisk Maplecroft, said that failing to hold the conference would hand the perpetrators of Friday's attack a "strategic victory."
"Cancelling was not an alternative at any point in time. It would be the admission by the government that they are not confident they are able to guarantee safety in the capital… It would hand them (the terrorists) such a strategic victory," he told CNBC on Monday.