Historically, windows were single glazed, with a single pane of glass, but today, there are a number of options for window glazing. Double or triple glazed windows create more insulation, making a structure more energy efficient by reducing heat loss through the windows.
The highest monthly average temperature in Charlotte for August is 79 degrees. The lowest monthly average temperature in Charlotte for January is 44 degrees. The most monthly precipitation in Charlotte occurs in June with 4.9 inches. The air quality index in Charlotte is 15% better than the national average. The pollution index in Charlotte is 171% worse than the national average.
Most / Least Educated Cities in NC. The average temperature of Cary is 59.71Â°F, which is higher than the North Carolina average temperature of 58.70Â°F and is much higher than the national average temperature of 54.45Â°F.