idle 65 degree

so I built my pc a couple months ago and I never really payed attention to the cpu temps ... until I realized it was idling at 60-70c, which I know for a fact is not normal I have checked and reseated the stock cpu cooler, but to no avail if anybody has any ideas on what could be causing...

Hello, This is my first time posting on this website - I hope I am not breaking any rules. Build-up: Since I got my new processor (i9-9900K) I've been a bit worried since it didn't perform quite as good as I expected it to: fps ranging from 40-50 in most games. I decided to check if the...