Tulsa December Climate Data

     |-----Normals 1991-2020------| |--------- Record Temperatures ---------|
     Temperature   Precipitation     Hi        Lo        Hi        Lo
Day  Mx/Mn  Mean  Day  Month  Year   Max  Year Max  Year Min  Year Min  Year   Day

  
 1   55/34   45  0.08  0.08  38.61   77 *2012  26  1985  59 *2012  13  2006    1 
 2   55/34   44  0.08  0.16  38.69   78  2021  24  1985  58  1951   9  2006    2 
 3   54/34   44  0.08  0.24  38.77   77  1916  27  1919  60  1998  14  2006    3 
 4   54/34   44  0.08  0.32  38.85   78  2017  27  1972  61  2001  16  2006    4 
 5   54/33   44  0.08  0.40  38.93   77 *1989  30  2013  61  1980  10  1950    5 
 
 6   53/33   43  0.08  0.48  39.01   77 *1966  18  1972 (64) 1980   3  1950    6 
 7   53/33   43  0.08  0.56  39.09  (80) 1966  19  1909  55  1916   4  1950    7 
 8   53/33   43  0.08  0.64  39.17   73 *2023  19  1909  61  1946  -3  1917    8 
 9   52/32   42  0.08  0.72  39.25   75  1993  22  1937  58  1946   0 *2005    9 
10   52/32   42  0.09  0.81  39.34   76  2021  22  1917  56  1996   3 *1919   10 
 
11   52/32   42  0.08  0.89  39.42   76  1929  27  1917  53  1929   4  1917   11 
12   52/32   42  0.08  0.97  39.50   73 *2015  19  1932  63  2015   3  1962   12 
13   51/31   41  0.08  1.05  39.58  (80) 1948  19  1917  54  1927   4  1917   13 
14   51/31   41  0.09  1.14  39.67   75  2008  20  1926 (64) 1948   4  1958   14 
15   51/31   41  0.08  1.22  39.75   78  2021  19  1951  58 *2021  -1  1989   15 
 
16   51/31   41  0.08  1.30  39.83   77  1908  15  1932  57  2006   3  1989   16 
17   50/31   41  0.08  1.38  39.91   78  1908  23 *1964  61  1908   2  1932   17 
18   50/31   40  0.08  1.46  39.99   72  1939  20  2016  48  1939   3  2016   18 
19   50/30   40  0.08  1.54  40.07   70 *2012   9  1983  55  1978  -1  1924   19 
20   50/30   40  0.08  1.62  40.15   75  1966  17  1924  51  2017   3  1924   20 

21   49/30   40  0.08  1.70  40.23   70  1979  15  1916  51  2023   0 *1989   21 
22   49/30   40  0.08  1.78  40.31   71 *1982   7 *1989  55  1979  -6  1989   22 
23   49/30   39  0.08  1.86  40.39   73  1982   9  1983  60  1982 (-8) 1989   23 
24   49/30   39  0.08  1.94  40.47  (80) 1955  (5) 1983  61  2021  -2  1983   24 
25   49/29   39  0.07  2.01  40.54   73  1922  12  1983  51 *2016  -2  1983   25 

26   49/29   39  0.08  2.09  40.62   76  2008  23  1983  57  1936   9  1914   26 
27   49/29   39  0.07  2.16  40.69   77  1946  27  1915  55  1946   8  1925   27 
28   49/29   39  0.07  2.23  40.76   74  1928  20  1917  62  1984   0  1924   28 
29   48/29   39  0.07  2.30  40.83   71 *1984  12  1917  53  2006   3 *1983   29 
30   48/29   39  0.06  2.36  40.89   77  1951  20  1946  58 *2004   2  1983   30 
 
31   48/29   39  0.07  2.43  40.96   78  1951  18  1927  57  2004   0 *1969   31 
     * Indicates occurrences in previous years      ( ) Monthly Extremes

December Monthly Normals 1991-2020: 
 
Normal Max Temperature:   50.9°F   Monthly Heating Degree Days:       744 
Normal Min Temperature:   31.1°F   Season Total Heating Degree Days: 1367 
Normal Mean Temperature:  41.0°F   Monthly Cooling Degree Days:         1 
Normal Monthly Rainfall:   2.43"   Season Total Cooling Degree Days: 2128 
Normal Monthly Snowfall:    1.7" 
 
December Monthly Records: 
 
Warmest Month:  52.2F in 2021        Wettest Month:  8.70" in 1984 
Coolest Month:  26.7F in 1983        Driest Month:   0.00" in 1900/1889 
                                     Most Snowfall:  11.4" in 2000

(Monthly temperature records are computed by adding all of the daily mean
 temperatures and then dividing by the number of days in the month.)