CampistrousCampistrous is a commune in the Hautes-Pyrénées department in south-western France.GeographyThe Petite Baïse forms part of the commune's north-eastern border.ClimateCampistrous has an oceanic climate. The average annual temperature in Campistrous is. The average annual rainfall is with May as the wettest month. The temperatures are highest on average in August, at around, and lowest in January, at around. The highest temperature ever recorded in Campistrous was on 24 August 2023; the coldest temperature ever recorded was on 8 February 2012.