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.
On average San Diego sees 21 days with some precipitation while the rest of the country sees about 110. The national average for mostly sunny days is 213 while San Diego's is 267. San Diego's annual snowfall is 0 inches per year while the nation usually sees an average of 24.2 inches (610 mm) per year. The United States average for days above 90 Â°F (32 Â°C) is 37.9 days while San Diego's is only 2.5 days, and there are, on average 0 days below 32 Â°F (0 Â°C) in San Diego, while the national average is 88 days. The average low temperature in January for the country is 26.5 Â°F (â3.1 Â°C), and for San Diego it is 50 Â°F (10 Â°C). The average high temperature in July for San Diego is 76 Â°F (24 Â°C). The national average is 86.8 Â°F (30.4 Â°C).