Assessment of Outdoor Thermal Comfort in Serbia’s Urban Environments during Different Seasons

The urban microclimate is gradually changing due to climate change, extreme weather conditions, urbanization, and the heat island effect. In such an altered environment, outdoor thermal comfort can have a strong impact on public health quality of life in areas. this study, three main areas Serbia were selected: Belgrade (Central Serbia), Novi Sad (Northern Niš (Southern Serbia). focus was temporal assessment OTC, using UTCI over period 20 years (1999–2018) during different seasons. aim general estimation OTC Belgrade, Sad, Niš, order gain better insight into bioclimatic condition, current trends anomalies that occurred. analysis conducted based hourly (7 h, 14 21 h CET) “day by day” meteorological data set. Findings show presence growing trend seasonal anomalies, especially summer spring. addition, there notable increase number days above defined thresholds for each season. Average annual UTCIs values also positive, rising trend, ranging from 0.50 °C 1.33 °C. most significant deviations average values, both annual, recorded 2000, 2007, 2012, 2015, 2017, 2018.