In a perfect world, your phone would stay at a nice, neutral, holdable temperature at all times of the day. However, the world is far from being perfect, and just like any other electronics, your mobile handset can become hot or cold depending on how you’re using it and what the current weather is like. Advertisement
Even though it’s normal for the temperature to fluctuate, you might still freak out a little when your phone starts leaning towards extreme temperatures….

Check out the original article: [Slashgear]How To Check Device Temperature On A Google Pixel Phone