Magcargo's body temperature is "approximately" 18,000 degrees F.

Camerupt has a volcano inside its body. Magma of 18,000 degrees F courses through its body.

So Camerupt is hotter.

magcargo is a slugma male which is peak hotness

Magcargo is hotter it’s skin is made of material twice as hot as the sun, Camerupt mearly has the same temperature magma inside of it. Even though most Pokémon stats are going to be flawed since it has been depicted in the show of Magcargo coming into human contact, without melting amin

magcargo because camerupt temperature is inside of it so if it don’t explode it ain’t hot but magcargo is always hot honestly trainers must have developed some sort of gene that makes them immune from dying from touching magcargo