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.
As of 1 January 2016, the population of United States of America (USA) was estimated to be 323 025 335 people. This is an increase of 0.75 % (2 414 202 people) compared to population of 320 611 133 the year before.