The study analyzed temperature, humidity, and comfort levels in different microclimate zones in Shenzhen during clear summer days. Results showed that each zone had distinct characteristics: the hilly zone was the hottest during the day, while the marine zone was the most comfortable. At night, the marine zone was the least comfortable, and the mountain zone was the most comfortable. Overall, the data revealed significant differences in temperature, humidity, and comfort levels among the urban, marine, mountain, and hilly microclimate zones in Shenzhen.