Lewiston Weather In December

The hottest December day in Lewiston for the past 64 years was 65 degrees Fahrenheit, measured on December 15, 2002, while the mean high temperature is 39. The record low December temperature in Lewiston for the last 64 years was -22 on December 30, 1968, while the average low temperature is 28.

United States NWS historical Lewiston December Weather data records that on December 30, 1968, the high temperature did not exceed -8 degrees Fahrenheit, the lowest high measured in Lewiston in the past 64 years. Weather Service records additionally show that on December 31, 1980, the recorded low temperature for the day did not drop below 56 degrees, the highest low measured in Lewiston in the last 64 years.

According to the National Weather Service, the high temperature in Lewiston in December on the first day of the month averages 44 degrees and the high on the last day of the month averages 38 degrees. The average daily low temperature in Lewiston on December First is 32 degrees Fahrenheit and the average low on the last day of December is 26 degrees.

Lewiston typically receives an average of 1.05 inches of precipitation during the month. According to December Lewiston Weather records, the most rain measured in a single day in December was 0.87 inches on December 7, 1975. Lewiston receives an average of 4.2 inches of snow in December. The most snow measured in a single day in December was 7.5 inches on December 20, 1964.