The primary anti-aircraft (AA) armament of the "Le Hardi"-class ships was intended to consist of a twin-gun mount for 70-caliber Canon de Modèle 1935 guns. Development of the automatic weapon was still in progress when the ships were completed in 1939–1940 and a twin-gun mount for 50-caliber Canon de 37 mm Modèle 1933 guns on the aft superstructure was installed instead. These semi-automatic guns could elevate to a maximum of +80° and they had a practical rate of fire of 15–21 rounds per minute. The ships carried a total of 2,960 rounds for the guns. Their muzzle velocity of gave their shells an effective range of . The ships were also fitted with two twin Hotchkiss Modèle 1929 anti-aircraft machine gun mounts abreast the bridge. The weapons had a practical rate of fire of 250 rounds per minute and an effective range of . Ready-use lockers stowed 480 rounds near each gun and the remaining 1,920 rounds per gun were in the magazine.