1. The normal range of baby\’s body temperature In the first month after birth, the baby\’s body temperature range is usually between 36.5°C and 37.5°C. As we age, our body temperature range also changes slightly. Generally speaking, the normal body temperature range of infants and young children between three months and three years old is 36.4°C to 38°C. If it exceeds this range, timely measures need to be taken. 2. How to measure baby’s temperature. There are many ways to measure baby’s temperature, including