The stone circle consists of seventeen closely spaced stones spanning 9.3 metres (31 ft) in diameter, of which 13 survive. The most westerly stone (1.9m long) is the long recumbent and has two egg shaped cup-marks, one with a ring around it.
Aspen, CO Weather. The average temperature of Aspen is 42.07Â°F, which is lower than the Colorado average temperature of 46.26Â°F and is much lower than the national average temperature of 54.45Â°F. Historical Weather.
Aspen Temperatures: Averages by Month. The numbers here tell you how hot and cold the weather usually is in Aspen, Colorado during each month of the year. The average high and low temperatures are listed below monthly and annually for the mountain city, in both degrees Fahrenheit and Celsius.