Heat is the number one cause of weather-related deaths  in the U.S., but there are no hard-and-fast rules about when to keep your baby indoors. The age of your baby, the humidity, your baby's health and the planned activity all should be considered before making an in-or-out decision.
Here's what parents need to know about heat-related illness and injury in babies. Consider:
It's been so hot in my area lately! How's the weather where you are?