There are many types of carpenter ants throughout the U.S. measuring in size from one-quarter inch (about the width of a pencil) for a worker carpenter ant to three-quarters of an inch (about the size of a quarter) for a queen carpenter ant. Each colony is established by a single, fertilized queen.
Alexandria Average Weather. 1  The highest monthly average temperature in Alexandria for August is 79 degrees. 2  The lowest monthly average temperature in Alexandria for February is 38 degrees.  The most monthly precipitation in Alexandria occurs in June with 5.8 inches.
Mild weather makes winter a great time to visit Virginia's Blue Ridge. The average high temperature in December is 48 degrees, perfect for holiday shopping or a brisk walk through one of the Valley's downtowns. With an average annual snowfall of only 21 inches, heavy snowfall accumulation is rare.