The performed investigations aimed at assessing the welfare of horses on the basis of the examination of chosen parameters of the stable microclimate. The investigations were carried out at the Wolica horse riding complex of Warsaw University of Life Sciences. The objects of the investigations were two buildings with breeding environments. The investigations were carried out during three seasons: summer, autumn and winter. The investigated basic parameters of the microclimate were: air temperature, relative humidity, air cooling force and movement as well as the type and intensity of lighting. The results were compared with the binding norms. The obtained results show that the parameters agree with the recommendations of animal hygiene exceeding the norms only sporadically. The welfare was maintained.