The atmosphere is part of the environment in which the human body constantly seeks balance with the external environment. The reaction of an organism is a response to various physics and chemical processes in the atmosphere. By analyzing these aspects of environment, relevant to health, there is variety of complex effects presented with the bioclimatological indices. One of those indices is humidex used to describe how hot the weather feels to the average person by combining heat and humidity. The aim of the paper is to present how weather variables come together in order to give a elementary climate meaning for recreation within the health tourism. In this analysis, daily meteorological data were used for two extreme warm months, July and August (weather station in Banja Luka). The final results show distribution of different degree of comfort caused by actual weather conditions. The idea is to show how weather can be evaluated for recreational needs in the health resorts around the city of Banja Luka.