Mokhtar Karami - Assistant professor, Department of Geography and Environmental Sciences, Hakim sabzevari university,
Hassan Rezaei - Master of Science student, Department of Geography and Environmental Sciences, Hakim sabzevari university.
Mohammad motamedi rad - M.S.Student , Geomorphology in Environmental planning , Hakim sabzevari university
Ali zarandi - Master of Science student, Department of Geography and Environmental Sciences, Hakim sabzevari university

Human bioclimatic comfort is dependent on his/her thermal balance with environment. This balance is dependent on a series of factors such as: weather properties, physical characteristics of the person, temperature, average humidity, sunshine, and wind. In this paper we tried to evaluate Gonabad’s bioclimatic conditions from 1990 to 2010 using Evanz model.The results obtained indicate that for daytime, months of April, May, October, November, and for night-time months of June, July, August, and September have comfort climatic conditions

Bioclimatic, Evanz, Gonabad