The easiest way to check it is to reboot your computer into CMOS, and then check the temperature there. Normally, it will give you two temperatuures, one for motherboard, and the other for CPU.
CPU's temperature would be ideal if it can be maintained under 50 C. No matter what, it should not exceed 70 C.
CPU's temperature would be ideal if it can be maintained under 50 C. No matter what, it should not exceed 70 C.