Hottest and Coldest Temperatures Ever in Pittsburgh on December 01
On December 1st in Pittsburgh, the temperature fluctuated between a high of 70.0°F in 2006 and a low of 9.0°F in 1964. The average temperature for this date is 36.21°F, with an average high of 43.97°F and an average low of 28.44°F. In 2006, when the city experienced its hottest December 1st on record, an interesting news item from that year is that the Pittsburgh Steelers won Super Bowl XL, securing their fifth championship title with a victory against the Seattle Seahawks.