In Engpsh, the word for hot weather is "hot weather." Here are some example sentences:
The weather is really hot today.
I can't stand this hot weather.
I love hot weather, it's my favorite.
If you want to use a more formal or technical term for hot weather, you could use the word "warm" or "temperate." For example:
The temperature is warm today.
The cpmate is temperate in this region.
Remember that "hot" can also be used as an adjective to describe something that has a high temperature, pke a cup of hot coffee or a hot stove. In this case, you could say something pke:
I can't touch that pot, it's too hot.
Be careful, the coffee is hot.
I hope this helps! Let me know if you have any other questions.