Weather By Day

December Allentown Weather 
December Allentown Weather
Record High: 72°F
Normal High: 40°F
Normal Low: 24°F
Record Low: -8°F
Avg Monthly Rain: 3.39"
Rec 1 Day Rain: 2.68"
Avg Monthly Snow: 6.3"
Rec 1 Day Snow: 13.1"

Allentown Weather In December

The record high temperature in Allentown for the last 67 years in December was 72 degrees Fahrenheit, registered on December 18, 2006, while the typical high temperature is 40. In the last 67 years the lowest measured December temperature in Allentown was -8 measured on December 28, 1950, while the average low temperature is 24.

US National Weather Service historical Allentown December Weather data records that on December 26, 1983, the high temperature did not exceed 8 degrees Fahrenheit, the lowest high measured in Allentown in the past 67 years. The Weather Service additionally indicates that on December 5, 1982, the low for the day did not drop below 56 degrees, the highest low recorded in Allentown in the last 67 years.

National Weather Service records indicate that the high temperature in Allentown on December First averages 44 degrees and the high on the last day of the month averages 38 degrees. The average daily low temperature in Allentown on December First is 27 degrees Fahrenheit and the average low on the last day of December is 21 degrees.

Allentown usually receives an average of 3.39 inches of precipitation during the month. According to December Allentown Weather records, the most rain measured in a single day in December was 2.68 inches on December 6, 1953. Allentown receives an average of 6.3 inches of snow in December. The most snow measured in a single day in December was 13.1 inches on December 24, 1966.