Put it at the reaction beat right after a weather forecast graphic or a shot of someone stepping outside, then follow it with an exaggerated scream for escalation and finish with a flat reaction sound to close the sequence cleanly.
About this sound
This is a six second Spanish voice clip repeating the complaint that it cannot possibly be this hot. The delivery feels exasperated and funny, like someone melting in real time, and that over the top frustration makes a normal hot day sound completely dramatic and relatable.