From the National Weather Service:
Preliminary data for Colorado Springs indicates the December 2009 average temperature was 23.3º F, which is 5.7º F below the normal December average temperature of 29º F. This makes December 2009 the seventh coldest on record and the coldest December since 1983; the coldest December on record with an average temperature of 18.4º F.
December 2009 was certainly cold, but typically, January is the coldest month in Colorado Springs, with an average temperature of 28.1º F. The average low temperature in January is 14.5º F, while the average high is 41.7º F – quite tolerable, really, especially with Colorado Springs low humidity!
[carrie]