Newborns sleep 16 or more hours a day, but often in stretches of just a few hours at a time. Although the pattern might be erratic at first, a more consistent sleep schedule will emerge as your baby matures and can go longer between feedings. By age 3 to 4 months, many babies sleep at least five hours at a time. At some point during a baby's first year â every baby is different â he or she will start sleeping for about 10 hours each night. 1  Next.
The month of April in San Diego experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 31% to 26%. The clearest day of the month is April 29, with clear, mostly clear, or partly cloudy conditions 74% of the time.
The record high temperature was tied only once and happened on September 27, 2010, 47 years and two days after the set record. Several cities near San Diego broke their all-time records that day. Precipitation. San Diego has on average 146 sunny days and 117 partly cloudy days a year. The average annual precipitation is less than 12 inches (300 mm), resulting in a borderline arid climate.