January 9, 1875 -- The all-time record January low was set in Denver thanks to clear skies, light winds and fresh snow. The mercury dropped to 29 degrees below zero, and only recovered to 8 degrees above zero by the middle of the afternoon.

January 13-16, 1888 -- Temperatures plunged well below zero on 4 consecutive days. (-4 degrees on the 13th, -19 degrees on the 14th, -20 degrees on the 15th and -11 degrees on the 16th). North winds on the 13th made it feel even worse. Ironically, temperatures climbed into the 60s and 70s during a record warm spell between January 26th and February 1st of that year.

January 25-27, 1897 -- Bitterly cold air invaded Colorado with sub-zero weather. The low on the 27th was 14 degrees below zero.

December 31, 1899 - January 1, 1900 -- Both nights set new record lows at 19 degrees below zero.

January 6-7, 1913 -- A very cold arctic air mass set new records in Denver. The low on the 6th was 21 degrees below zero, and on the 7th it was 18 degrees below zero.

January 14-21, 1930 -- One of the longest cold spells ever recorded in Denver during the month of January. The overnight lows dropped below zero on 8 consecutive days.

December 31, 1940 - January 7, 1941 -- Another one of the longest January cold spells recorded in Denver. Overnight lows dropped below zero on 7 of the 8 days. A low of 2 degrees above zero on the 3rd prevented it from being an 8-day stretch

January 2-4, 1949 -- A severe blizzard hit northern Colorado and metro Denver. Winds gusted between 40 and 50 mph all day on the 3rd with temperatures only in the single digits. Wind chill values around the city were as low as 50 degrees below zero. Snow fell for 51 consecutive hours, adding up to a foot in most locations. Numerous lives and livestock were lost across northeast Colorado. Denver saw 13.3 inches of snow at Stapleton and 11.8 inches downtown.

January 2-5, 1959 -- Very cold temperatures caused power lines and gas lines to break and water pipes to burst. The temperature in Denver was below zero for 38 consecutive hours.

January 7-10, 1962 -- A major winter storm dropped 13.5 of snow on Denver. Most of that fell on the 8th with northeast winds gusting over 30 mph. Behind the snow arctic air invaded the region. The overnight lows dropped to 24 degrees below zero on both the 9th and 10th. The high on the 9th never climbed above zero.

January 15-23, 1962 -- A tough month for Denver residents as they were just digging out from a major snow. A cold spell settled into Denver for more than a week. Overnight lows dropped to zero or below for 9 consecutive days. The cold broke briefly on the 20th thanks to chinook winds. The afternoon high warmed to 38 degrees. But just a few hours later, a reinforcing surge of arctic air moved into Colorado. There were several deaths attributed to this tough month of winter weather, mainly from traffic accidents and overexertion. Hundreds of water systems around the metro were damaged due to frozen pipes. One lady froze to death in Morrison.

January 10-13, 1963 --Temperatures across metro Denver and much of northern Colorado fell below zero for up to 68 hours. Denver dropped to 25 degrees below zero on the 11th and 12th. The high of 9 degrees below zero on the 11th was the coldest January high ever recorded in Denver. Light snow also accompanied the arctic blast. Broken water pipes caused damage all across the city.

December 31, 1973 - January 6, 1974 -- A long stretch of cold weather hit metro Denver and much of Colorado. Temperatures dipped below zero on 7 consecutive days. The coldest was 17 degrees below zero on both the 3rd and 5th.

January 29 - February 7, 1985 -- A blizzard hit Denver closing Interstate 70 east of the city. It was followed by below zero temperatures on 9 consecutive days, with the overnight low on the 31st dropping to 15 degrees below zero.

To see the January normal, mean, and extreme temperatures for Denver click here.