December Temperature and Precipitation Normals (1971-2000)
                       and Extremes for Houston (1889-2008)
                          (last updated 12/30/08)
                              
    -------------- TEMPERATURE --------------------  ------ PRECIPITATION ----
     NORMAL   RECORD      LOW     RECORD    HIGH      RECORD   CUMULATIVE PCPN 
    MAX MIN  MAX YEAR     MAX    MIN YEAR   MIN        PCPN     DAILY  YEARLY 
    -----------------------------------------------  -------------------------                              
 1  68  46   82  1970   40 1896  26  1979  68 1982   5.80 1914   0.13  44.28 
 2  67  45   83  1978   45 1931  28  1979  74 1982   3.28 1971   0.26  44.41
 3  67  45   85  1995*  46 1971  25  1929  70 1913   2.50 1949   0.38  44.53
 4  67  45   82  1998   38 1897  27  1897  70 1998   1.96 1930   0.50  44.65
 5  67  45   83  1998   42 2002  27  1897  68 1998   2.02 1944   0.62  44.77
 
 6  66  44   82  1951   35 1950  20  1950  69 1951   3.08 1915   0.74  44.89
 7  66  44   84  1998   45 1909  24  1950  71 1924   4.95 1935   0.86  45.01
 8  66  44   83  2007   37 2005  25  1927  72 2007   1.95 1896   0.98  45.13
 9  66  44   82  2007   41 1937  25  1917  70 1923   1.69 1899   1.10  45.25
10  66  44   83  1939   40 1898  20  1978  67 1983   4.41 1923   1.22  45.37 
 
11  65  43   83  2007   39 1945  26  1898  72 2007   2.85 1985   1.34  45.49
12  65  43   82  1939   39 2000  25  1978  71 1991   2.57 2002   1.46  45.61
13  65  43   82  1921   40 1932  19  1989  69 1948   2.85 1907   1.58  45.73
14  65  43   83  1995   41 1926  25  1985  70 1948   5.64 2005   1.70  45.85
15  65  43   82  1995   39 1926  21  1901  71 1948   2.19 1996   1.82  45.97
 
16  64  43   82  1971   35 1932  19  1989  69 1933   3.05 1937   1.94  46.09
17  64  42   80  1990   37 1989  20  1932  72 1990   2.28 1949   2.06  46.21
18  64  42   82  1980   39 1989  24  1996* 68 2002   2.14 1965   2.18  46.33
19  64  42   81  1978   30 1908  20  1929  69 2008   2.33 1924   2.31  46.46
20  64  42   81  1921   27 1924  21  1996  70 1967   2.02 1997   2.42  46.57
 
21  64  42   81  1970   31 1924  21  1973  67 1921   3.41 1991   2.53  46.68
22  63  42   81  1981   33 1990  13  1989  68 1970   2.21 1910   2.64  46.79
23  63  42   80  1996   28 1989   7  1989  66 1931   1.01 1938   2.75  46.90
24  63  42   82  1955   27 1983  11  1989  71 1982   2.04 1975   2.86  47.01
25  63  41   82  1964   28 1983  11  1983  67 1942   2.09 1916   2.98  47.13
 
26  63  41   78  2005   30 1892  18  1983  70 2008   2.06 1904   3.10  47.25
27  63  41   81  1971   40 1987  19  1892  65 1937   1.38 1934   3.22  47.37
28  63  41   80  1996   31 1894  15  1894  70 1946   2.70 1900   3.34  47.49
29  63  41   81  1984   33 1925  15  1894  69 1984   2.15 1888   3.46  47.61
30  62  41   83  1974   37 1946  19  1983  69 1964   1.36 1911   3.58  47.73
 
31  62  41   82  1974   33 1990  18  1983  69 1951   3.35 1896   3.69  47.84

* indicates a record that has been tied on a previous year

DECEMBER Normals 
High:              64.6F
Low:               42.8F
Mean temperature:  53.7F 
Rainfall:          3.69"
Heating DD:          374 
Ccooling DD:          18