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.
Grand Junction, Colorado, gets 9 inches of rain per year. The US average is 37. Snowfall is 22 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 73. On average, there are 245 sunny days per year in Grand Junction, Colorado. The July high is around 93 degrees. The January low is 16. Our comfort index, which is based on humidity during the hot months, is a 65 out of 100, where higher is more comfortable. The US average on the comfort index is 44.