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