Freeze Data
Salt Lake City International Airport
1928-present

Freeze-Free Period*
Longest		Shortest		Average Length
Days	Date	Days	Date
236	March 12 - November 2, 1992	124	May 29 - September 29, 1954	167 days
223	March 31 - November 8, 1985	132	May 8 - September 16, 1965
220	April 6 - November 11, 2005	134	May 20 - September 30, 1950
214	April 2 - November 1, 2000	136	May 6 - September 18, 1964
209	March 22 - October 17, 1989	137	May 8 - September 21, 1968
205	April 20 - November 10, 1987	139	May 24 - October 9, 1966
205	April 8 - October 29, 1994	139	May 2 - September 17, 1946
200	April 9- October 25, 2003	139	May 23 - October 8, 1982
197	April 14 - October 29, 1993	140	May 7 - September 23, 1961
195	May 3 - November 13, 1988	141	May 1 - September 18, 1942
195	April 17 - November 7, 1983	.	.
194	April 23 - November 2, 1940	.	.
194	April 21 - October 31, 1977

*Freeze-Free Period is the number of days between the last freeze (32 degrees or below) in the Spring and the first freeze in the Fall.

Freeze (32 Degrees or Below)
Earliest Date in Spring	Latest Date in Spring	Average Date in Spring	Earliest Date in Fall	Latest Date in Fall	Average Date in Fall
Mar. 11, 1992	May 28, 1954	April 30	Sept. 13, 1928	Nov. 14, 1988	October 15
Mar. 19, 1940	May 25, 1975		Sept. 17, 1965	Nov. 13, 1944
Mar. 21, 1989	May 23, 1966		Sept. 18, 1946	Nov 12, 2005
Mar. 30, 1985	May 19, 1931		Sept. 19, 1942	Nov. 11, 1987
Apr. 1, 2000	May 19, 1938		Sept. 19, 1964	Nov. 9, 1985
Apr. 3, 1944	May 19, 1950		Sept. 22, 1968	Nov. 8, 1983
Apr. 5, 2005	May 19, 1960		Sept. 24, 1961	Nov. 5, 1974
Apr. 8, 1994	May 16, 1955		Sept. 25, 1958	Nov. 3, 1998
Apr. 8, 1981	May 13, 1943		Sept. 25, 1970	Nov. 3, 1940
Apr. 8, 1973	May 13, 1951		Sept. 27, 1934	Nov. 3, 1992
Apr. 9, 1952	May 13, 1967		Sept. 27, 1936	Nov. 2, 2000
Apr. 9, 1936	May 11, 1930		Sept. 28, 1941	Nov. 1, 1977
Apr. 10, 1976	May 11, 1933		Sept. 28, 1971	Oct. 31, 1981
Apr. 13, 1987	May 11, 1999		.	Oct. 30, 1979
Apr. 13, 1980	.			Oct. 29, 1993
Apr. 13, 2001			.	.
.

More SLC Climate Information