Weather By Day

December Weather In Mount Washington  
December Mount Washington Weather
Record High: 45°F
Normal High: 18°F
Normal Low: 2°F
Record Low: -41°F
Avg Monthly Rain: 8.84"
Rec 1 Day Rain: 7.44"
Avg Monthly Snow: 42.8"
Rec 1 Day Snow: 37.5"

Mount Washington Weather In December

In the last 78 years the highest measured December temperature in Mount Washington was 45 degrees Fahrenheit, registered on December 16, 1992, while the mean high temperature is 18. The lowest documented temperature for Mount Washington for the past 78 years in December was -41 most recently measured on December 30, 1962, while the average low temperature is 2.

United States NWS historical Mount Washington December Weather data records that on December 11, 1977, the high temperature did not exceed -24 degrees Fahrenheit, the lowest high measured in Mount Washington in the past 78 years. Weather Service records additionally indicate that on December 10, 1966, the low for the day was not measured below 41 degrees, the highest low temperature recorded in Mount Washington in the last 78 years.

According to the National Weather Service, the high temperature in Mount Washington in December on the first day of the month averages 20 degrees and the high on the last day of the month averages 16 degrees. The average daily low temperature in Mount Washington on December First is 5 degrees Fahrenheit and the average low on the last day of December is 0 degrees.

Mount Washington usually receives an average of 8.84 inches of rain during December. December Mount Washington Weather records indicate that on December 27, 1969 Mount Washington received 7.44 inches of precipitation, the highest amount of rain recorded in a single day in December. Mount Washington receives an average of 42.8 inches of snow in December. The most snow recorded in a single day in December was 37.5 inches on December 15, 1968.