It is the second largest city of the island by its surface area.
In the west of the commune lies Grand Étang, the largest lake of La Réunion. Close to the lake flows the Bras d'Annette waterfall.
Climate
Saint-Benoît has a tropical rainforest climate (Köppen climate classificationAf). The climate is tropical, influenced by the winds called alizés, or trade winds. The average annual temperature in Saint-Benoît is 23.8 °C (74.8 °F). The average annual rainfall is 3,455.9 mm (136.06 in) with February as the wettest month. The temperatures are highest on average in February, at around 26.5 °C (79.7 °F), and lowest in July, at around 21.0 °C (69.8 °F). The highest temperature ever recorded in Saint-Benoît was 34.1 °C (93.4 °F) on 6 February 2004; the coldest temperature ever recorded was 10.5 °C (50.9 °F) on 15 July 1991.
Climate data for Saint-Benoît (1991–2020 averages, extremes 1987−present)
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