The present work addresses the influence of urban structure on the microclimate of the municipality of Bertioga (São Paulo State, Brazil), which is located on the northeastern edge of Baixada Santista, aiming at the environmental comfort, more specifically thermal, of the city's residents and tourists. Data on temperatures, humidity relative, among other items, and information about the surroundings of each measured point were collected, with a measurement taken at thirty-eight points during winter and the same issues during spring, as just one measurement at three points made in the city of Santos during the winter. We observed some urban factors, such as the direction of the streets, the direction of the prevailing wind, the presence of construction barriers, the type of soil or paving, and shading due to trees influenced the differences found.