Palaminy (; ) is a commune in the Haute-Garonne department in southwestern France.
Palaminy has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Palaminy is . The average annual rainfall is with May as the wettest month. The temperatures are highest on average in July, at around , and lowest in January, at around . The highest temperature ever recorded in Palaminy was on 13 August 2003; the coldest temperature ever recorded was on 9 February 2012.
The inhabitants of the commune are called Palaminyciens