Les Aires (French pronunciation: [le.z‿ɛʁ]; Occitan: Las Airas) is a commune in the Hérault department in the Occitanie region in southern France.

The average annual temperature in Les Aires is 13.9 °C (57.0 °F).

The average annual rainfall is 1,128.5 mm (44.43 in) with December as the wettest month.

The temperatures are highest on average in July, at around 22.6 °C (72.7 °F), and lowest in January, at around 6.7 °C (44.1 °F).

The highest temperature ever recorded in Les Aires was 41.3 °C (106.3 °F) on 28 June 2019; the coldest temperature ever recorded was −10.4 °C (13.3 °F) on 2 March 2005.