Juneau Weather In December
The record high temperature in Juneau for the last 66 years in December was 54 degrees Fahrenheit, registered on December 25, 1999, while the typical high temperature is 33. In the last 66 years the highest reported temperature in Juneau for December was -21 most recently registered on December 28, 1949, and the regular low is 24.
United States National Weather Service historical Juneau December weather data indicates that on December 29, 1964, the measured high temperature did not exceed -2 degrees Fahrenheit, the lowest high measured in Juneau in the past 66 years. Weather Service data also shows that on December 21, 1999, the lowest recorded temperature for the day did not drop below 46 degrees, the highest low measured temperature in Juneau in the last 66 years.
NWS data indicates that the daily high temperature in Juneau on December First averages 33 degrees Fahrenheit and the high on the last day of December averages 31 degrees. The low temperature in Juneau in December on the first day of the month averages 24 degrees and the low temperature on the last day of the month averages 21 degrees.
Juneau typically receives an average of 5.41 inches of precipitation during the month. The most precipitation recorded on a single day in December, according to December Juneau Weather data, was 2.67 inches on December 27, 1999. Juneau receives an average of 21.2 inches of snow in December. The most snow recorded in a single day in December was 19.9 inches on December 8, 1962.