Tropics are hot and humid.

Meaning: Regions near the equator have high temperatures and lots of water vapor in the air.

Choice of Words: Tropics are regions near the equator. Hot means having a high temperature. Humid means having a lot of water vapor in the air.

Alternative Expressions

The tropics are scorching and steamy.

Meaning: This means that the tropics are not just warm and wet, but they are also very hot and humid.

Choice of Words: Scorching means extremely hot, and steamy means full of steam or water vapor. These words give a more intense sense of the heat and humidity in the tropics.

The tropics are balmy and muggy.

Meaning: This means that the tropics are not just warm and wet, but they are also very warm and humid, which can make it uncomfortable to be outside.

Choice of Words: Balmy means pleasantly warm, and muggy means uncomfortably warm and humid. These words give a sense of the warm and oppressive atmosphere in the tropics.

Related Expressions