I like the hot/cold
 

I like the hot
I hate the cold
I don't like cold weather

Are they correct?

All are correct

All good.

Wouldn't it rather be "I like the heat"? :thinking:

Both "I like the hot" and "I like the heat" are acceptable. The sentence used by the OP ends in an adjective, of course, so we logically assume 'hot weather' is what was meant.

I would use "I like the heat," if 'weather' couldn't be gathered from the context, but the OP gave two opposing sentences and it was easy to see that he was talking about the weather in both.

I see. Thank you, Rusty! :)