Marsala Petrosino, a village formerly part of Marsala, decided to become a self-governing town after a local referendum. The area of Marsala is classified as a seismic zone 2 (medium). In the last 200 years three earthquakes of medium-high intensity were recorded: Marsala has a hot-summer mediterranean climate (Köppen: "Csa"), similar to most coastal towns in Sicily, with hot and dry summers coupled with moderately wet and mild winters. Weather in Marsala is similar to that of nearby Trapani. Summers are generally warm with a record maximum temperature of in August 2017. In the summer, due to how dry it is,
Vincenzo Florio Sr. wine ("Cantina Florio") in Marsala. He establish his winery between the ones of John Woodhouse and Benjamin Ingham, the original British pioneers in the Marsala wine trade. and became the first Italian producer of Marsala wine. He built splendid cellars in the town's tuff rock in which to produce and conserve the wine. Florio also invested in the sulfur trade, mainly to the British Empire. In 1840, he co-founded Anglo-Sicilian Sulfur Company Limited in Palermo with the British entrepreneurs Benjamin Ingham – also engaged in Marsala wineries – and Agostino Porry, for the production and marketing of sulfuric acid and