Tulsa May 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   76/54   65  0.18  0.18  10.90   91  2002  53  1966  71  1936 (32) 1909    1 
 2   76/55   65  0.19  0.37  11.09   94  1943 (50) 1994  71  2012 (32) 1909    2 
 3   76/55   66  0.18  0.55  11.27   96  1920  52  1978  70  2012  35  2005    3 
 4   76/55   66  0.19  0.74  11.46   96  1920  51  1935  75  2012  36 *1954    4 
 5   77/56   66  0.19  0.93  11.65   92 *2014  51  1935  71  1964  36  1907    5 
 
 6   77/56   66  0.19  1.12  11.84   93  2003  59 *2006  74  2007  36  1944    6 
 7   77/56   67  0.19  1.31  12.03   93  1918  52  1910  72  2000  40  1931    7 
 8   77/57   67  0.19  1.50  12.22   97  1918  53  1943  71 *1996  37  1938    8 
 9   78/57   67  0.18  1.68  12.40   93  1918  61  1924  76 *2022  38 *1923    9 
10   78/57   68  0.18  1.86  12.58   93  1963  54  1924 (77) 2022  41  1909   10 
 
11   78/58   68  0.19  2.05  12.77   94  1980  55  2020  74  1956  39  1924   11 
12   78/58   68  0.19  2.24  12.96   92  2022  53  2020  75  1956  40 *2013   12 
13   79/59   69  0.20  2.44  13.16   93  1911  51  1953  72  1991  41  1971   13 
14   79/59   69  0.19  2.63  13.35   93  1911  54  1907  71 *2020  44 *1976   14 
15   79/59   69  0.18  2.81  13.53   95  1911  52  1945  72  1996  35  1907   15 
 
16   80/60   70  0.19  3.00  13.72   94 *1931  52  1945  74  1974  40  1907   16 
17   80/60   70  0.18  3.18  13.90   94  1911  64  2016  76  1974  40  1945   17 
18   80/60   70  0.19  3.37  14.09   94  1987  65  1952  74  1996  44  2002   18 
19   81/61   71  0.19  3.56  14.28   96  2006  64  2016  74 *1996  46  1968   19 
20   81/61   71  0.20  3.76  14.48   94 *2006  64  1967  74  2004  42  1981   20 
 
21   81/61   71  0.19  3.95  14.67   95  1925  56  1968  73  1962  45  1915   21 
22   81/62   72  0.18  4.13  14.85   94  2005  56  1917 (77) 1953  44  1931   22 
23   82/62   72  0.18  4.31  15.03   94  2000  59  2022  75  1953  41  1917   23 
24   82/62   72  0.18  4.49  15.21   94  1911  63  1956  75 *1996  42  1935   24 
25   82/63   73  0.17  4.66  15.38   97  2006  63  2022  76  2008  45  1925   25 
 
26   83/63   73  0.18  4.84  15.56   94 *1926  60  1992  76  2012  44  1925   26 
27   83/63   73  0.18  5.02  15.74   94  1911  65 *1992  75  1912  45 *1961   27 
28   83/64   74  0.18  5.20  15.92   94 *2012  53  1992  76  2006  45 *1947   28 
29   84/64   74  0.18  5.38  16.10   98  1926  62 *1947 (77) 2011  40  1947   29 
30   84/64   74  0.17  5.55  16.27   98  1934  59  1964  76  1989  45  1947   30 

31   84/65   74  0.18  5.73  16.45 (100) 1934  63  1907 (77)*2022  49  1930   31

* Indicates occurrences in previous years     ( ) Indicates monthly extremes

May Monthly Normals (1991-2020): 
 
Normal Max Temperature:   79.7°F   Monthly Heating Degree Days:        41 
Normal Min Temperature:   59.5°F   Season Total Heating Degree Days: 3450 
Normal Mean Temperature:  69.6°F   Monthly Cooling Degree Days:       183 
Normal Monthly Rainfall:   5.73"   Season Total Cooling Degree Days:  253 
Normal Monthly Snowfall:    0.0" 
 
May Monthly Records: 
  
Warmest Month:  76.7F in 2018      Wettest Month: 18.00" in 1943 
Coolest Month:  60.8F in 1907      Driest Month:   0.80" in 1897 
                                   Most Snowfall:  Trace in 2013

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