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,
Fortified wine wine that is both sweeter and stronger, normally containing about 20% alcohol by volume (ABV). During the fermentation process, yeast cells in the must continue to convert sugar into alcohol until the must reaches an alcohol level of 16%–18%. At this level, the alcohol becomes toxic to the yeast and kills it. If fermentation is allowed to run to completion, the resulting wine will (in most cases) be low in sugar and will be considered a dry wine. The earlier in the fermentation process that alcohol is added, the sweeter the resulting wine will be. For drier fortified wine styles,