National Weather Service United States Department of Commerce

Dallas/Fort Worth - Earliest and Latest 100° Days         Click Here for Waco

 

Average Date of...
  • First 100° Day - July 1
  • Last 100° Day - August 26

 

Earliest First Occurrence
Rank Date Temperature
1 Mar 9, 1911 100
2 Mar 21, 1916 100
3 Apr 17, 2006 101
4 Apr 18, 1925 100
5 May 4, 1947 100
6 May 6, 1998 100
7 May 27, 1928 103
8 May 28, 1927 107
9
(tie)
May 30, 1985 103
May 30, 2003 100

 

Latest Last Occurrence
Rank Date Temperature
1 Oct 3, 1951 106
2
(tie)
Oct 1, 1979 102
Oct 1, 1938 101
4 Sep 29, 2011 101
5
(tie)
Sep 28, 1953 105
Sep 28, 2005 104
7 Sep 27, 1977 101
8 Sep 25, 1931 100
9
(tie)
Sep 20, 2016 100
Sep 20, 1954 100
Sep 20, 1937 100

 

Latest First Occurrence
Rank Date Temperature
1
(tie)
1973 none
1906 none
3 Aug 23, 1989 101
4 Aug 19, 1905 102
5 Aug 16, 1903 100
6 Aug 11, 2007 100
7 Aug 10, 1992 100
8 Aug 8, 1968 100
9
(tie)
Aug 7, 1919 100
Aug 7, 1908 100
Earliest Last Occurrence
Rank Date Temperature
1 May 30, 1928 101
2 Jul 12, 1904 103
3 Jul 14, 1933 104
4 Jul 16, 2004 100
5 Jul 22, 1971 100
6 Jul 25, 2002 100
7
(tie)
Aug 1, 1920 100
Aug 1, 1914 100
9 Aug 3, 1912 102
10 Aug 4, 1961 100