The lowest monthly average temperature in Santee for December is 56 degrees. The most monthly precipitation in Santee occurs in January with 0 inches. The air quality index in Santee is 22% worse than the national average. The pollution index in Santee is 96% better than the national average.
According to the US Census Bureau's population clock, the estimated 2015 United States population (July 2015) is over 321.3 million. This differs a bit from the 325.1 million estimated by the United Nations.
1 The population of the United States is estimated at 322,583,006 as of July 1 2014. 2  United States' population is equivalent to 4.45% of the total world population. 3  The U.S. ranks number 3 in the list of countries by population.