Hottest and Coldest Temperatures Ever in Allentown on April 28

On April 28th in Allentown, the hottest temperature on record was 91.0°F in 1990, while the coldest temperature ever recorded was 30.0°F in 2012. The average temperature for this date is 54.87°F, with an average high of 60.92°F and an average low of 48.81°F. Comparing these figures, it is clear that April 28th can bring a wide range of temperatures to Allentown. In 1990, the year when the city experienced its hottest recorded temperature, an interesting news item was the completion of the World Health Organization's Global Environmental Watch project, which was launched to study and combat the effects of climate change worldwide.