ArbéostArbéost is a commune in the Hautes-Pyrénées department in southwestern France.GeographyClimateArbéost has an oceanic climate. The average annual temperature in Arbéost is. The average annual rainfall is with November 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 Arbéost was on 27 June 2019; the coldest temperature ever recorded was on 8 February 2012.