Arreau is a commune in the Hautes-Pyrénées department in southwestern France. It is situated on the former Route nationale 618, the Route of the Pyrénées. Arreau is at the crossroads of the Louron valley and the Aure valley.

Geography

Climate

Arreau has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Arreau is 9.6 C. The average annual rainfall is 894.8 mm with November as the wettest month. The temperatures are highest on average in July, at around 17.6 C, and lowest in January, at around 2.0 C. The highest temperature ever recorded in Arreau was 38.5 C on 30 July 1983; the coldest temperature ever recorded was -23.0 C on 3 February 1956.

Population