A Vulcan lute on Aldea. The Vulcan lute (sometimes referred to as Vulcan harp, Vulcan lyre, or Vulcan Lyrette) was a twelve-stringed instrument, played on the planet Vulcan, that was tuned on a diatonic scale and noted to be very soothing.
Keystone Average Weather. 1  The highest monthly average temperature in Keystone for July is 54 degrees. 2  The lowest monthly average temperature in Keystone for December is 14 degrees.  The most monthly precipitation in Keystone occurs in January with 0 inches.
Fort Collins, Colorado, gets 15 inches of rain per year. The US average is 37. Snowfall is 47 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 81. On average, there are 237 sunny days per year in Fort Collins, Colorado. The July high is around 85 degrees. The January low is 14. Our comfort index, which is based on humidity during the hot months, is a 62 out of 100, where higher is more comfortable.