Child Fever: Understanding Temperatures and When to Seek Medical Advice

35.8 degrees Celsius is a fever and is not okay for a 4 year old daughter. The normal body temperature range for a child is between 36.5 and 37.5 degrees Celsius (97.7 and 99.5 degrees Fahrenheit). A fever is considered to be a body temperature of 38 degrees Celsius (100.4 degrees Fahrenheit) or higher. Fevers can be caused by a variety of illnesses, including infections, and should be evaluated by a doctor to determine the cause and appropriate treatment.