hot as Hades

Adjective

colloquial

(simile, colloquial) extremely hot; hot as hell; hot as blazes

Japanese Meaning

非常に暑い / 地獄のごとく暑い / 焼けるような暑さ

By noon the desert was hot as Hades, forcing everyone to seek shade.

正午には砂漠は地獄のように暑くなり、誰もが日陰を求めた。

Sense（1）

(simile, colloquial) extremely hot; hot as hell; hot as blazes