In their tips for wearing baby wrap in hot weather, Boba says that baby carriers often offer more ventilation than strollers and mention that mothers have carried close to their bodies for centuries in hot climates and that mothers do not overheat their babies when carrying them in safe carriers and wraps. Boba does recommend to use sun protection and to make sure both mother and baby stay hydrated. And when possible, schedule your activities for the cooler parts of day.