Unseasonably warm temperatures continue today across the southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Dry and gusty winds will produce elevated to critical fire weather in the central and southern Plains and elevated conditions over portions of the Desert Southwest on Friday. Read More >
National Weather Service - Denver, Colorado
Temperature Normals & Extreme for December
|Normal|Record| Year |Record| Year ||Normal|Record| Year |Record| Year |
DATE | High | High | Set |Warmest Set || Low | Low | Set |Coldest Set |
| | | |Minimum || | | |Maximum |
-----|------|------|------|------|------||------|------|------|------|------|
1 | 45 | 73 | 1973 | 43 | 1972 || 19 | - 6 | 1985 | 7 | 1985 |
2 | 45 | 74 | 1885 | 41 | 1926 || 18 | - 4 | 1929^| 9 | 1919 |
3 | 45 | 69^ | 2010 | 49 | 1941 || 18 | - 3 | 1873 | 12 | 1873 |
4 | 44 | 72 | 2007 | 45 | 1946 || 18 | -13 | 2013 | 7 | 1909 |
5 | 44 | 79# | 1939 | 42 | 1946 || 18 | -15 | 2013^| 6 | 1972 |
6 | 44 | 73 | 1939 | 44 | 1939^|| 18 | -17 | 1972 | 3 | 1972 |
7 | 43 | 70 | 1906 | 39 | 1893^|| 17 | -13 | 2005 | 3 | 2005 |
8 | 43 | 73 | 1940 | 41 | 1874 || 17 | -14 | 1919 | 4 | 1932^|
9 | 43 | 71 | 1957 | 42 | 1996 || 17 | -20 | 1919^| - 5 | 1932 |
10 | 43 | 70 | 1939 | 46 | 1933 || 17 | -18 | 1972 | - 1 | 1932 |
11 | 43 | 74 | 1939 | 44 | 1933 || 17 | -13 | 1932 | - 6 | 1932 |
12 | 42 | 69 | 2017^| 47 | 1921 || 17 | -12 | 1961 | 16 | 1961^|
13 | 42 | 72 | 1921 | 47 | 1921 || 17 | -12 | 1961 | 6 | 1940 |
14 | 42 | 70 | 2010 | 41 | 1946^|| 17 | -18 | 2008 | - 1 | 1926 |
15 | 42 | 68 | 1921 | 44 | 1924 || 17 | -19 | 2008 | 2 | 2008 |
16 | 42 | 70 | 1980 | 49 | 1939 || 17 | - 8 | 2008^| 9 | 1897 |
17 | 42 | 73 | 1980 | 43 | 1939 || 17 | -15 | 2016 | 3 | 2016 |
18 | 42 | 68 | 2013 | 40 | 1917 || 17 | -12 | 1909 | 5 | 1924 |
19 | 42 | 67 | 1917 | 43 | 1917 || 17 | -10 | 1989 | 7 | 1998 |
20 | 42 | 69 | 1894 | 43 | 1933 || 17 | -16 | 1990^| - 3 | 1990 |
21 | 42 | 67 | 1933 | 43 | 1933 || 17 | -21 | 1990^| - 8 | 1983 |
22 | 42 | 70 | 1955 | 41 | 2005^|| 17 | -25* | 1990 | - 5 | 1983 |
23 | 42 | 74 | 1901 | 50 | 1955^|| 17 | -17 | 1990 | - 5 | 1983 |
24 | 42 | 70 | 1955 | 44 | 1922 || 17 | -25* | 1876 | - 4 | 1983 |
25 | 42 | 69 | 2005 | 45 | 1899 || 17 | -15 | 1876 | 10 | 1876 |
26 | 42 | 68 | 1980 | 39 | 1890 || 17 | - 5 | 1982^| 6 | 1916 |
27 | 43 | 75 | 1980 | 41 | 1980 || 17 | -10 | 1904 | 9 | 1894 |
28 | 43 | 65 | 1886 | 39 | 1936 || 17 | -12 | 1983 | 5 | 1880 |
29 | 43 | 68 | 1919 | 44 | 1919 || 17 | -15 | 1983 | 11 | 1880 |
30 | 43 | 71 | 1980 | 37 | 1919 || 17 | -19 | 2014 | 1 | 2014 |
31 | 43 | 66 | 2005 | 45 | 1881 || 17 | -19 | 1900 | - 3 | 1927 |
The Normal High and Low Temperatures are calculated from 1981-2010 data.
The Temperature Extremes range from 1872-2019.
^ - Also in previous years.
# - Highest Temperature of the Month: 79 degrees on 12/5/1939.
* - Lowest Temperature of the Month: -25 on 12/24/1876 & 12/22/1990.
- The December Mean Temperature is 30.0 degrees (from 1981-2010 DIA data).
- 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
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