Most infectious diseases follow a seasonal cycle that allows germs to spread and infect humans. An abrupt climate change can promote infections in the winter. The study aims to determine winter disease prevalence in Narayanganj. To learn about seasonal illness risk factors, management, treatment, and other implications. People in Narayanganj city were interviewed using a self-designed English questionnaire. The questionnaire asked about demographics, education, socioeconomic level, winter sickness awareness, etc. Our of total 200 participant population male respondents were 59% and female 41%, among them the prevalence of diseases are allergy 59%, stomach flu 76%, common cold 345, influenza 17%, skin disease 11%, asthma 21%, croup 6% and sore throat 14% which is counted respectively of total surveyed participants number.