Le Perrier (French pronunciation: [lə pɛʁje]) is a commune in the Vendée department in the Pays de la Loire region in western France.

The average annual temperature in Le Perrier is 12.8 °C (55.0 °F).

The average annual rainfall is 762.1 mm (30.00 in) with November as the wettest month.

The temperatures are highest on average in July, at around 19.3 °C (66.7 °F), and lowest in January, at around 6.9 °C (44.4 °F).

The highest temperature ever recorded in Le Perrier was 40.9 °C (105.6 °F) on 18 July 2022; the coldest temperature ever recorded was −10.2 °C (13.6 °F) on 2 January 1997.