National Weather Service United States Department of Commerce
                            San Angelo May Climatology
           Record Temps     Normals Temps   Record Precip  Normal Precip.
Date  High  Year  Low  Year   High / Low     Most   Year   Day    

 1    104   2002   40  1909     85 / 57      1.24   1966   .07   
 2     99   1998   35* 1967     85 / 57      1.54   1922   .07   
 3    103   1927   35* 2013     86 / 58      1.35   1918   .07   
 4    102   2012   39  1945     86 / 58      1.99   2018   .08   
 5    103   2014   39  1945     86 / 58      1.18   1993   .08   
 6    104   2000   41  1991     86 / 59      1.49   1926   .09   
 7    107   2022   37  1982     87 / 59      1.94   1942   .08   
 8    105   2022   36  1917     87 / 59      2.68   2019   .08   
 9    105   1967   41  1915     87 / 60      1.02   1968   .09   
10    106   1967   41  1997     87 / 60      3.20   1913   .09   
11    103   1967   40  1981     87 / 61      1.54   1988   .09   
12    102   1961   36  1960     88 / 61      1.79   1994   .10   
13    102   2006   37  1971     88 / 61      2.12   1958   .10   
14    108   2003   37  2014     88 / 62      1.62   2018   .10   
15    104   2022   39  2014     89 / 62      2.14   1981   .10   
16    103   2022   41  1926     89 / 62      1.94   1985   .10   
17    106   2013   44  1920     89 / 63      1.18   1914   .11   
18    107   2022   41  1945     89 / 63      4.01   2015   .11   
19    107   2022   46  1986     90 / 64      1.94   1961   .10   
20    105   2022   49  1952     90 / 64      1.15   1913   .12   
21    104   1953   47  1911     90 / 64      1.30   1928   .11   
22    107   1984   43  1928     90 / 65      1.90   1909   .12   
23    105   2011   48  2017     91 / 65      1.83   1954   .11   
24    109   2000   46  2017     91 / 65      2.39   2014   .12   
25    107   1989   51  1947     91 / 66      2.36   2014   .11   
26    102   1973   52  2022     91 / 66      1.87   2014   .11   
27    108   2011   53  1961     91 / 66      1.24   2016   .11   
28    110*  2011   51  1968     92 / 67      2.16   1987   .11   
29    107   1927   48  1947     92 / 67      2.40   1932   .11   
30    107   1927   46  1947     92 / 67      1.57   1987   .11   
31    104   1927   51  1909     92 / 67      3.06   1937   .10   

Highest May Temperature: 110 on 5/28/2011 

Lowest May Temperature: 35 on 5/2/1967 and 5/3/2013

Normal May Precipitation: 3.05 inches

Greatest May Precipitation: 11.24 inches in 1987