It’s a normal phenomenon. Baby head is warmer than body and it doesn’t indicate fever. Reason being brain consuming highest glucose and blood supply of the body moreover brain growth is complete by 2 yrs of age.
Next Steps
Hence never assume fever in this regard and always check abdomen with the back of your hand to say fever.
Health Tips
Babies are also warmer in evening by 1 degree temperature which is normal. Hope this helps.