a10's do not report temps the same way fx chips do so most programs like hwmonitor don't work. use amd over drive.
Apu's use thermal margin instead of *c . so if over drive says you have a thermal margin of 43*c for an example. That
is 43* till you hit your max thermal limit for your cpu. So it you have a max thermal limit of 74*c and your reported thermal
margin is 43*c your cpu temp is 31*C . 74 - 43 = 31
hope this helps
also a after market cooler is imo suggested to apus as they run hot when using the gpu