This study aims to measure the level of effectiveness of the implementation of PJOK learning during class hours 4 5 6. This study uses a quantitative descriptive approach with a population consisting of grade IX students and teachers at SMP Negeri 1 Hulu Sungai Tengah. Data collection in this study was collected through a questionnaire designed using a Likert scale with a value range from 1 to 4. The results of this study obtained an overview that PJOK learning during class hours 4 5 6 still faces challenges in achieving maximum effectiveness. Most students are in the fairly effective category, which includes 39% or 30 students. And the teachers showed that most PJOK teachers at SMP Negeri 1 Hulu Sungai Tengah showed quite good performance, although they had not reached the optimal level of effectiveness. The hot weather factor that occurred had a significant impact on the effectiveness of learning, high temperatures during this period could reduce the comfort and concentration of students, thus impacting student involvement in PJOK learning.