Weather By Day

December Weather In Pittsburgh  
December Pittsburgh Weather
Record High: 74°F
Normal High: 40°F
Normal Low: 25°F
Record Low: -12°F
Avg Monthly Rain: 2.86"
Rec 1 Day Rain: 2.76"
Avg Monthly Snow: 8.5"
Rec 1 Day Snow: 8.5"

Pittsburgh Weather In December

In the last 58 years the highest measured December temperature in Pittsburgh was 74 degrees Fahrenheit, most recently measured on December 26, 1982, and the regular high is 40. The lowest documented temperature for Pittsburgh for the past 58 years in December was -12 registered on December 17, 1989, while the average low temperature is 25.

National Weather Service historical Pittsburgh December Weather data indicates that on December 25, 1983, the recorded high did not exceed 0 degrees Fahrenheit, the lowest high measured in Pittsburgh in the past 58 years. Weather Service records additionally show that on December 6, 1998, the recorded low temperature for the day did not drop below 59 degrees, the highest low measured in Pittsburgh in the last 58 years.

Weather Service historical data shows that the average daily high temperature in Pittsburgh on December First is 42 degrees Fahrenheit and the average high on the last day of December is 38 degrees. The average recorded low temperature in Pittsburgh on December First is 28 degrees Fahrenheit and the average low on the last day of December is 24 degrees.

Pittsburgh typically receives an average of 2.86 inches of rain during the month. According to December Pittsburgh Weather records, the most rain measured in a single day in December was 2.76 inches on December 30, 1990. Pittsburgh averages 8.5 inches of snow in December.On December 1, 1974 Pittsburgh received 8.5 inches of rain, the greatest snowfall measured in a single day in December.