The purpose of this research is to analyze the bioclimatic influences or impacts during school period in the city of Pointe Noire. All used datas were issued by Pointe Noire Meteorology center over a period of 30 years, from 1993 to 2023.The bioclimatic impact is based on the thermal hygrometric index, THI. Results from this research show that Pointe Noire bioclimatic environnement is uncomfortable or barely bearable throughout the entire school period, from October to early June as temperatures exceed 26.4°C which is the thermal tolerance threehold for the human body. During this period, the mini hours (6am- 9am), with temperatures oscillating between 20.8°C and 22,5°C characterized by a comfortable but still with a warm feeling. On the contrary, with temperatures ranging between 29°C and 31°C during maxi hours (12noon- 5pm) are characterised by hot and scorching environnement Students in Pointe Noire thus, study in an uncomfortable atmosphere in terms of temperatures. This atmosphere doesn't facilitate or make things easier for students or pupils. It would be desirable to revisit or adjust the school calendar.