Tulsa, OK
Weather Forecast Office
Fort Smith, Arkansas Climatological Records
Frost/Freeze
Record and Mean Dates of Last Occurrence in Spring and First Occurrence in Fall
For the Period January 1901 through May 2020
| Temperature (°F) |
Mean Last Occurrence in Spring |
Mean First Occurrence in Fall | Mean Days between Occurrences |
| 32° Frost/Light Freeze | March 26th | November 5th | 223 |
| 28° Hard Freeze | March 13th | November 17th | 248 |
| 24° Killing Freeze | February 26th | December 1st | 277 |
| Record Last Occurrence in Spring | Record First Occurrence in Fall | ||||
| Temperature (°F) | Earliest | Latest | Earliest | Latest | |
| 32° Frost/Light Freeze | 23 Feb 1907 | 17 Apr 1921, 1951 | 8 Oct 1952 | 2 Dec 1931 | |
| 28° Hard Freeze | 8 Feb 1907 | 15 Apr 1983 | 18 Oct 1948 | 26 Dec 1933 | |
| 24° Killing Freeze | 15 Jan 1931, 1999 |
8 Apr 2007 |
29 Oct 1952 |
3 Feb 1923 |
|
| 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 | 9 Apr 2000 | 182 | 9 Oct 2000 | 28 Feb 1905 | 273 | 29 Nov 1905 | ||
| 28° Hard Freeze | 11 Apr 1989 | 191 | 20 Oct 1989 | 9 Feb 2017 | 300 | 7 Dec 2017 | ||
| 24° Killing Freeze | 4 Apr 1987 | 220 | 11 Nov 1987 | 15 Jan 1931 | 379 | 30 Jan 1932 | ||
Updated: June 22, 2020
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Tulsa, OK
10159 E. 11th St. Suite 300
Tulsa, OK 74128
918-838-7838
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