how long will summer sausage keep once opened?
<answer> Three weeks for unopened and additional three weeks for opened. <context> How long does salmon last in the fridge? Credit: Tetra Images Tetra Images Getty Images. Once a hard, dry sausage is opened, it can be stored in the refrigerator for three weeks. Semi-dry sausages like summer sausage can be stored in the refrigerator unopened for three weeks. Once opened, they can be stored in the refrigerator for an additional three weeks. All sausages can be stored in the freezer for up to two months.