Fairbanks Airport: Average Temperature -17.9F, 12.0F below normal and coldest December since 1980. Overall, 11th coldest of record. High for the month 19F, low -41F. Snow 4.1 inches.
Update: The low mean temp was entirely the result of a lack of mild weather. There was no deep cold to speak of. Only three days with highs of 30 below or colder. No significant ice fog.