Hottest and Coldest Temperatures Ever in Boston on December 20

On December 20th, Boston experienced varied weather conditions throughout history. The highest temperature ever recorded on this date was 63.0°F in 1957, while the coldest temperature plunged to 3.9°F in 1962. As for the average temperature for this day, it stands at 31.09°F, with an average high of 38.27°F and an average low of 23.91°F. In 1957, the same year the highest temperature was recorded, an interesting news item was the launch of the first portable battery-operated transistor radio, revolutionizing the way people could listen to music and news on the go.