Hottest and Coldest Temperatures Ever in Boston on December 19

On December 19th in Boston, the hottest temperature ever recorded was 60.1°F in 1990, while the coldest was 5.0°F in 1979. The average temperature for this date is 30.99°F, with an average high of 37.41°F and an average low of 24.56°F. Looking back to those years, it's interesting to note that in 1990, the Hubble Space Telescope was launched into orbit, providing scientists with stunning images and valuable observations of the universe.