Tulsa April Climatology

     |-----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   69/45   57  0.12  0.12   6.47   94  1946  44  1993  69  1946  28 *1972    1 
 2   69/46   57  0.11  0.23   6.58   89  1918  41  1949  69  1946 (22) 1936    2 
 3   69/46   58  0.10  0.33   6.68   89  2023  46 *2013  69  1981  23  1975    3 
 4   69/46   58  0.11  0.44   6.79   90  1943  43  2020  71  2023  27 *1972    4 
 5   70/47   58  0.11  0.55   6.90   88 *2000  47 *1996  68 *2001 (22) 1920    5 
 
 6   70/47   58  0.11  0.66   7.01   92  1960  43  1939 (72)*2001  29 *1996    6 
 7   70/47   59  0.12  0.78   7.13   88 *2020  45  2007  68 *2015  25  2018    7 
 8   71/47   59  0.12  0.90   7.25   93  2020  37  1938  66 *2015  26  2007    8 
 9   71/48   59  0.12  1.02   7.37   90 *2011  43  1973  72  2011  24  1914    9 
10   71/48   59  0.13  1.15   7.50   92  1927  44  2013  71 *2001  31 *2003   10 
 
11   71/48   60  0.13  1.28   7.63   93  1972  46  1914  68  1972  30  1940   11 
12   71/48   60  0.13  1.41   7.76 (102) 1972 (36) 1957  68 *1981  26 *1957   12 
13   72/49   60  0.14  1.55   7.90   96  1936  45  1957  69 *1972 (22) 1957   13 
14   72/49   60  0.13  1.68   8.03   94  1936  47  1933  71  1936  31 *2008   14 
15   72/49   61  0.14  1.82   8.17   93  1936  53  1993  71  2006  27  1928   15 
 
16   72/50   61  0.15  1.97   8.32   93  1982  49  1944 (72) 1963  27  2018   16 
17   73/50   61  0.15  2.12   8.47   95  2006  56  1939  70  1963  28  1921   17 
18   73/50   61  0.16  2.28   8.63   98  1925  48  1953  71  2002  29  1953   18 
19   73/50   62  0.16  2.44   8.79   94  1987  45  1983  70  1964  34 *2013   19 
20   73/51   62  0.16  2.60   8.95   92  1963  41  1918  71  1964  32 *2021   20 
 
21   73/51   62  0.15  2.75   9.10   94  1965  49  1931  71  1961  32 *2021   21 
22   74/51   63  0.17  2.92   9.27   91 *2009  49  1995  70  2022  32  1931   22 
23   74/52   63  0.17  3.09   9.44   93  1958  56  1995  70  1925  32  1909   23 
24   74/52   63  0.18  3.27   9.62   91  1975  46  1910  71  1989  32  2013   24 
25   74/52   63  0.19  3.46   9.81   89 *1939  49  1907  69  2009  34  2013   25 
 
26   74/53   64  0.18  3.64   9.99   91  1987  48  1919  70  1975  35  1910   26 
27   75/53   64  0.18  3.82  10.17   92  1966  57 *2013  70  1989  36 *1920   27 
28   75/53   64  0.18  4.00  10.35   88 *1970  53  1992  71  1970  37  1965   28 
29   75/54   64  0.19  4.19  10.54   92  1987  49  1907  68 *2022  38  1969   29 
30   75/54   65  0.18  4.37  10.72   91 *1987  50  1907  71  1936  35  1908   30 
 
* Indicates occurrences in previous years     ( ) Indicates monthly extremes

April Monthly Normals (1991-2020): 
 
Normal Max Temperature:   72.1°F   Monthly Heating Degree Days:       179 
Normal Min Temperature:   49.5°F   Season Total Heating Degree Days: 3409 
Normal Mean Temperature:  60.8°F   Monthly Cooling Degree Days:        53 
Normal Monthly Rainfall:   4.37"   Season Total Cooling Degree Days:   70 
Normal Monthly Snowfall:    0.0"  
 
April Monthly Records: 
 
Warmest Month:  68.2F in 1925     Wettest Month:  10.44" in 2017 
Coolest Month:  53.4F in 1907     Driest Month:   0.34" in 1989 
                                  Most Snowfall:   1.7" in 1957

(Monthly normals are computed by adding all of the daily mean data
 and then dividing by the number of days in the month)