National Weather Service United States Department of Commerce

Fall Weather Pattern Arrives

Rain and much cooler temperatures behind a cold front will bring a feeling of fall to the east coast today. In addition, an active fall storm pattern developing in the Pacific Northwest this week will bring areas of heavy rains, and very high elevations could receive heavy snow. Wetting rains to the valley floors will spread south Thu and Fri into northern California,where active fires continue. Read More >

Tulsa, Oklahoma Climatological Records

Frost/Freeze

Record and Mean Dates of Last Occurrence in Spring and First Occurrence in Fall

For the Period January 1906 through May 2017

 

Temperature (°F)

Mean Last Occurrence in Spring

Mean First Occurrence in Fall Mean Days between Occurrences
32° Frost/Light Freeze March 29th November 2nd 217
28° Hard Freeze March 18th November 14th 240
24° Killing Freeze March 7th November 25th 263

 

  Record Last Occurrence in Spring           Record First Occurrence in Fall
Temperature (°F) Earliest Latest   Earliest Latest
32° Frost/Light Freeze   6 Mar 1980, 1985, 2015   2 May 1909     7 Oct 2012 28 Nov 1990
28° Hard Freeze 12 Feb 2012 17 Apr 1921     9 Oct 2000 16 Dec 1981
24° Killing Freeze 14 Jan 1999

13 Apr 1957

  24 Oct 1917

01 Jan 2016

 

 

Record Number of Days Between Last (Spring) and First (Fall) Occurrences
Temperature (°F)      Spring

Fewest Number of Days

Fall       Spring Greatest Number of Days Fall
32° Frost/Light Freeze     2 May 1909 163 13 Oct 1909     6 Mar 2015 259 21 Nov 2015
28° Hard Freeze   13 Apr 1957 195 26 Oct 1957   14 Feb 1981 304 16 Dec 1981
24° Killing Freeze   27 Mar 1913 215 29 Oct 1913   14 Jan 1999 339 20 Dec 1999

 

Updated: June 6, 2017