High temperatures surpass 100 °F (38 °C) on 5.6 days of the year, and 90 °F (32 °C) on 47 days.[12][13] The coldest month of the year is January, with an average temperature of 31.0 °F (−0.6 °C). Winters are cold, with 22 days where the high is at or below the freezing mark and 2.5 nights with a low at or below 0 °F (−18 °C).[12] The official record maximum temperature is 113 °F (45 °C), set on August 14, 1936, at Downtown Airport, while the official record minimum temperature is −23 °F (−31 °C), set on December 22 and 23, 1989.[12] Normal seasonal snowfall is 13.4 inches (34 cm) at Downtown Airport and 18.8 in (48 cm) at Kansas City International Airport. The average window for freezing temperatures is October 31 to April 4, while for measurable (0.1 in or 0.25 cm) snowfall, it is November 27 to March 16 as measured at Kansas City International Airport.