Venus is actually a hot and dry planet but in the story it is described as being constantly drowned in rain what type of irony is this

Situational irony

Explanation:

Situational irony is when the truth contradicts an expected outcome.

From the story, the planet Venus is described as constantly drowned in rain but in reality it is a hot, dry planet. The author uses Situational irony here to describe Venus as rainy while in truth, it is a hot and dry planet.