Studying the influence of climatic elements on residential environments is an applied subject in meteorology, which has recently received a significant importance in synchronizing buildings and residential environments with dominant climatic situations due to the high costs of energy. The present study use data collected from different climatic parameters (humidity, minimum temperature, maximum temperature) in an hourly basis. Data was analyzed using Ecotect and One Square software. Moreover, day degree, temperature adaptability index, climatic-environmental situations of the designed building in Mehr-Abad station were investigated. Results indicate that climatic comfort in winter (January, February, and March) and December equals zero. In other words, some of the necessary situations for climatic comfort inside buildings should be achieved using mechanical systems, while others must be achieved by appropriate climatic designing of buildings. Comparing comfort level in and outside of buildings indicates that some of necessary situations for climatic comfort were provided naturally in March. This shows the role of correct designing in reducing the need for mechanical systems. Moreover, temperature adaptability index in different points inside the building indicated 0.94 which shows a completely appropriate situation in the designed building. Finally, Tehran bioclimatic graph was extracted which shows that there is just a 7 percent climatic comfort around the year and Tehran climatic situation is out of comfort range for the other 93 percent of the year.