At what age do babies learn to crawl? Does it take longer to learn in the winter when babies are often bundled in clothes that restrict their movement? There might even be an association between babies crawling age and the average temp during the month when they first try to crawl around 6 months after birth. Data were collected from parents who the birth month and the age at which their child was first able to crawl or crawl a distance of four feet within one minute. information was obtained on 414 infants, 208 boys and 206 girls. Average crawling age is given in weeks, the average temperature (in degrees and Farenheit) is for the month that is 6 months after the birth month