National Weather Service United States Department of Commerce
              NATIONAL WEATHER SERVICE - DENVER, COLORADO
            MONTHLY TEMPERATURE, RAINFALL, AND SNOWFALL EXTREMES
                                FOR DECEMBER

20 WARMEST DECS           20 WETTEST DECS           20 SNOWIEST DECS
  (1872-2019)               (1872-2019)               (1882-2019)

 1  43.8  1933             1  5.21  1913             1  57.4  1913
 2  41.2  1980             2  2.84  1973             2  30.8  1973 
 3  40.9  1939             3  2.34  1982             3  29.4  2006
 4  40.5  1889             4  2.32  1883             4  27.1  1982 
 5  39.7  1906             5  1.70  1876             5  21.5  1987
 6  39.6  1946             6  1.56  1891             6  20.9  2007
 7  39.5  1957             7  1.50  1960             7  19.6  1918
    39.5  1881             8  1.42  1924             8  18.4  1924
 9  39.2  1890             9  1.40  1918             9  17.8  1960
10  38.8  1896            10  1.32  1892            10  17.5  1891
    38.8  1875            11  1.30  1987            11  16.5  2011 
12  38.2  1893            12  1.21  2006                16.5  1979
13  38.0  1917            13  1.08  1885            13  16.3  1916
14  37.5  1975            14  1.06  1979            14  16.2  1892
15  37.3  1888                1.06  1967            15  15.5  1898
16  37.1  1929            16  1.05  1878            16  15.3  1923
17  37.0  1942            17  1.04  1988            17  14.8  1926
18  36.5  1959            18  1.03  1941            18  14.4  1953
    36.5  1936            19  1.02  1953            19  14.2  1978
    36.5  1885                1.02  1916            20  13.3  1925


20 COLDEST DECS           20 DRIEST DECS            LEAST SNOWIEST DECS
  (1872-2019)               (1872-2019)                (1882-2019)

 1  17.4  1983             1  0.00  1881             1     T  1906
 2  21.2  1909             2     T  1905                   T  1905
 3  22.1  1878             3  0.01  1906                   T  2002
 4  22.7  1873                0.01  1895             4   0.1  1928
 5  23.1  1913             5  0.03  2018             5   0.4  1890
 6  23.7  1932                0.03  1977             6   0.5  2018
 7  24.1  2009                0.03  1931                 0.5  1938
 8  24.3  1914             8  0.04  2004             8   0.6  1995
 9  24.6  1978                0.04  1890             9   0.7  1977
10  24.8  1884            10  0.05  2002                 0.7  1895
11  24.9  1972                0.05  1995            11   0.8  1957
12  25.4  1992            12  0.06  1996                 0.8  1931
13  25.5  1924                0.06  1957                 0.8  1888
14  25.7  1990                0.06  1928            14   0.9  1970
15  25.8  1898            15  0.09  1970                 1.2  1980
16  25.9  1927                0.09  1946                 1.2  1962 
17  26.5  1967                0.09  1888                 1.2  1945
    26.5  1960            18  0.10  1980            18   1.7  2005
    26.5  1916                0.10  1945            19   1.8  1887
20  26.6  2011                0.10  1880            20   1.9  1991
    26.6  2008                                           1.9  1966

      
- Temperatures in degrees Fahrenheit.

- Precipitation and Snowfall amounts in inches.

- Average December Temperature is 30.0 degrees (from 1981-2010 DIA data).

- Average December Precipitation is 0.35 inches (from 1981-2010 DIA data).

- Average December Snowfall is 8.5 inches (from 1981-2010 DEN data).

# Snowiest Month in Denver History.

* Driest Month in Denver History.

** Although 1881 is before snow records began, if there was zero liquid 
   precipitation, then there could not have been any snowfall.  Therefore, 
   1881 must also be December's least snowiest month with zero snowfall.

- Data collected at the Downtown City Office from 1872-December 1949, then
  at the Stapleton Airport Office from January 1950-February 1995, then at
  Denver International Airport from March 1995-Present.


UPDATED 1/2/2020