Hottest and Coldest Temperatures Ever in Pittsburgh on December 28
On December 28th in Pittsburgh, the hottest temperature ever recorded occurred in 1982 at 71.1°F, while the coldest temperature was registered in 2017, plummeting to 1.2°F. The average temperature for this date stands at 31.98°F, with an average high of 41.46°F and an average low of 22.50°F. In the year 1982, when the city experienced its highest temperature, Pittsburgh also celebrated the opening of the Andy Warhol Museum, dedicated to the iconic pop art pioneer and Pittsburgh native.