Determination climate comfort calendar in order to planning tourism activities in selected tourist cities

Climate elements have a great impact on human comfort. This study analyzes the climate comfort in the selected large cities. In selecting cities was tried from all regions of the country is selected a representative. The purpose of this research is to identify suitable seasons from the perspective of climatic conditions for tourist activities in 15 tourist cities of the country, which can be used by tourists as well. The Most elements have caused in the human comfort is temperature, humidity, wind speed and rainfall. In this study, data on climatic parameters in the period of 30 years (1981- 2010) was received from the meteorological organization. After obtaining information about climate parameters, extraction of climatic zones affecting tourism activities was performed and then the percentage of daily frequency of effective elements was calculated. In the next step based on (AHP) model as a weighting the degree of importance elements we have achieved to the climate desirability of each element.  Finally, have identified suitable areas based on climatic comfort in the studied cities in different seasons. The results show that during the Comfort's climate is different in different areas and in all seasons can find the region that has a good climate. According to climatic comfort condition, the most suitable climatic conditions in the spring is respectively in the cities of Mashhad, Rasht, Tabriz, Kermanshah and Isfahan, in the summer the cities of Rasht, Ardabil, Mashhad, Hamadan, and Tabriz, in the autumn in The cities of Bushehr, Bandar Abbas, Ahvaz, Tehran and Semnan and in winter the cities of Bandar Abbas, Ahvaz, Bushehr, Semnan and Zahedan.