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.
Average Temperatures for North Carolina in May. Average temperatures for May at cities, towns, parks and lakes throughout North Carolina are listed below in degrees Fahrenheit and Celsius.The tables give the normals for maximum and minimum temperatures based on weather data collected from 1981 to 2010 by the US National Climatic Data Center.verage temperatures for May at cities, towns, parks and lakes throughout North Carolina are listed below in degrees Fahrenheit and Celsius.