You don’t need to freeze the room like a meat locker. Honestly, if the temperature feels comfortable for you in a t-shirt and shorts, it’s likely perfect for your baby. Aim for a room temperature around 68-72°F (20-22°C).
If you don’t have air conditioning, get creative. A fan placed across the room (not blowing directly on the baby) can work wonders. It creates a gentle breeze that evaporates heat from their skin. Just make sure the fan is out of reach and not blowing dust right into their face.
The Old-School Trick: The Pre-Bed Cool Down
Here’s a little story. My neighbor swears by giving her baby a slightly cool (not cold) bath right before bed. She says it’s like hitting a reset button on their body temperature. The water cools them down, and when they get out, their body naturally starts to warm up again, which helps them drift off.
How To Keep A Child Cool At Night at Louis Brannan blog
Follow that with a fan in the room and a thin onesie, and she says the baby sleeps like a baby. Not a sweaty, squirming baby—a real sleeping baby.