Hottest and Coldest Temperatures Ever in Allentown on May 12

On May 12th in Allentown, the weather has seen diverse extremes over the years. The hottest temperature ever recorded for this date was a scorching 87.1°F in 1959, while the coldest temperature reached a chilly 34.0°F in 1963. The average temperature for May 12th stands at 60.30°F, with an average high of 65.72°F and an average low of 54.88°F. Additionally, an interesting point of note from the past is that in 1959, the year of the record high temperature, the first-ever Barbie doll, created by Ruth Handler, made its debut, forever changing the world of toys and fashion.