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.
North Carolina Weather > Banner Elk Weather Banner Elk, NC Weather Banner Elk, NC climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 30's. The warmest month of the year is July with an average maximum temperature of 76.80 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 18.90 degrees Fahrenheit.