According to a 1903 journal article, there was once a stone in the center of the circle, perhaps another aspect of the solar alignment. Drombeg is almost 9.5 m (31 ft) in diameter and forms a nearly perfect circle.
On average, there are 212 sunny days per year in Asheville, North Carolina. The July high is around 84 degrees. The January low is 26. Sperling's comfort index for Asheville is a 55 out of 100, where a higher score indicates a more comfortable year-around climate. The US average for the comfort index is 54.
At an elevation just over 2000', the climate in Asheville is definitely different from surrounding Southeastern cities. Several towns in Western NC are considerably higher than Asheville - up to 5500' at Beech Mountain - so keep this in mind as elevation is one of the prime factors affecting weather. Click here to see monthly average weather data.