The mean temperature for December was 22.1°F, which is 6.3°F above average, according to weather researchers at the West Central Research and Outreach Center in Morris. The high temperature for the month was 48°F which occurred on December 9th. The low temp for the month was -9°F which occurred on Christmas Day.
The highest temperature ever recorded in December at the Outreach Center was 69°F on December 6, 1939. The lowest temperature recorded historically was -35°F which occurred on December 22, 2000.
Precipitation for the month totaled .44 of an inch, which is 0.24 below average. A total of 7.5 inches of snow fell. Currently, we have 6 inches of snow on the ground. The frost depth was reported at 12 inches on December 28th. There were 1,320 heating degree days recorded for December.