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.
Most of the unreached people groups are located geographically in what some scholars call The 10/40 Window from West Africa across Asia between 10 degrees latitude north of the equator to 40 degrees north. Total Population in 10/40: 4.89 billion people. Total People Groups in 10/40: 8,213 people groups.