idle 60 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...

Ive just build a new pc and I planned to make it with the 360 AIO in the top-mounted and realised it won't fit so now the only option is tubes up front mounted. I have the tubes on the aio at the bottom and was wondering if this is the reason I'm get around 57-60 degrees idle. GPU is fine at...

When I first bought the graphics card, it was working at maximum 70-75 degrees at load, which is normal values, as well as silent. Now, while under load, the temperature hits 85-86 degrees and automatically increases the fan speed to 88% or 100%. I didn't understand what happened suddenly. I...