Weather By Day

January Weather In Allentown  
January Allentown Weather
Record High: 72°F
Normal High: 35°F
Normal Low: 19°F
Record Low: -15°F
Avg Monthly Rain: 3.5"
Rec 1 Day Rain: 2.37"
Avg Monthly Snow: 9.2"
Rec 1 Day Snow: 16.3"

Allentown Weather In January

The highest recorded temperature in January for Allentown Pennsylvania for the past 67 years was 72 degrees Fahrenheit, most recently measured on January 26, 1950, and the normal high is 35. The coldest day reported in Allentown in January for the past 67 years was -15 most recently measured on January 27, 1994, and the normal low daily temperature is 19.

National Weather Service historical Allentown January Weather data indicates that on January 16, 1994, the recorded high did not exceed 2 degrees Fahrenheit, the lowest high measured in Allentown in the past 67 years. The Weather Service additionally indicates that on January 17, 1995, the low for the day did not drop below 59 degrees, the highest low recorded in Allentown in the last 67 years.

National Weather Service data shows that the high temperature in Allentown on January First averages 38 degrees Fahrenheit and the high on the final day of January averages 35 degrees. The average daily low temperature in Allentown on January First is 22 degrees Fahrenheit and the average low on the last day of January is 19 degrees.

Allentown usually receives an average of 3.5 inches of precipitation during the month. According to January Allentown Weather records, the most rain measured in a single day in January was 2.37 inches on January 31, 1949. Allentown receives an average of 9.2 inches of snow in January.On January 7, 1996 Allentown received 16.3 inches of precipitation, the highest snowfall recorded in a single day in January.