Sainte-Suzanne is bordered by the communes of Saint-André, Sainte-Marie and Salazie.

The course of the Saint-Jean River denoted the border between Saint-André and Saint-Suzanne.

The average annual rainfall is 4,385.9 mm (172.67 in) with January as the wettest month.

The temperatures are highest on average in February, at around 23.2 °C (73.8 °F), and lowest in August, at around 17.5 °C (63.5 °F).

The town, along with Saint-Denis, was founded in 1667 by Étienne Regnault, the first governor of the island.