Ventôse (French pronunciation: [vɑ̃toz]; also Ventose) was the sixth month in the French Republican Calendar. The month was named after the Latin word ventosus meaning 'windy'.
Ventôse was the third month of the winter quarter (mois d'hiver). It started between 19 and 21 February. It ended between 20 and 21 March. It follows the second month, Pluviôse, and precedes the fourth month, Germinal.