It borders the municipalities of Saint-Joseph and Sainte-Rose, to the west and north respectively.

The average annual rainfall is 4,260.3 mm (167.73 in) with March as the wettest month.

The temperatures are highest on average in January, at around 26.2 °C (79.2 °F), and lowest in July, at around 20.0 °C (68.0 °F).

A notable event in the commune's history was in 1897, when the British troopship RIMS Warren Hastings ran aground in the middle of the night.

On board the ship was some electricity, for which the village of Tremblet would have to wait until 1984 to finally receive.