The announcement, from the Paris prefecture, comes as France registers more than 2,000 new cases of coronavirus in a single day.
“The indicators are deteriorating, confirming a more active circulation of the virus throughout the country, in particular among young adults,” the French health directorate said in a statement.
Several cities across the country have made face masks mandatory in outdoor markets and on crowded streets. Wearing a face mask is already compulsory indoors.
In Nice, the mayor demanded that everyone wear a mask in many parts of the city in southern France, including parts of the famous Promenade des Anglais.
Biarritz, Bayonne, Saint-Malo, Le Touquet and Orléans are among the other cities to impose regulations.
Many countries in Europe face an increase in new coronavirus cases as people stop social distancing during the summer.
The head of the German doctors’ union warned that the country was already in a second wave. Belgium is facing an epidemic in Antwerp. Spain is grappling with an increase in cases in the northeast of the country.
Italy, which has had low daily numbers of COVID-19, also saw an increase in cases with 552 new cases on Friday.