Yambunya is a parish of Ularara County in northwest New South Wales, Australia.
Yambunya parish has mainly red soil semi-open Mulga country with stands of box[ambiguous] and beefwood running into some harder Mulga stone country.
The soft soils have the ability to grow a wide variety and mix of grasses and herbages in season.
The climate is semi-arid, featuring low rainfall, very hot summer temperatures and cool nights in winter.
The parish has a Köppen climate classification of BWh (Hot desert).