Bagdad, AZ: frost dates by year

Last spring and first fall frost at NOAA station USC00020586, 1951 to 2025, measured from daily minimum temperatures.

Elevation 3,935 ft, 34.597, -113.174. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 1	Nov 17
Earliest	Feb 24 (1994)	Oct 12 (2008)
Latest	May 24 (2010)	Dec 25 (1962)
Trend	little change (less than half a day per decade)	1.4 days earlier per decade
Years with data	63	63

At 28°F (hard freeze) the median last spring date is Mar 5 and the median first fall date is Nov 29.

The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.

Chart

Last spring frost (32°F)

First fall frost (32°F)

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

Year	Last spring 32°F	First fall 32°F	Last spring 28°F	First fall 28°F
2025	Apr 6	Dec 2	Mar 5	Dec 5
2024	Apr 9	Oct 31	Apr 9	Nov 8
2023	Apr 8	Nov 25	Apr 6	Nov 25
2022	Apr 14	Nov 4	Apr 14	Nov 12
2021	Mar 26	Nov 28	Mar 19	Dec 11
2020	Mar 30	no data	Mar 30	no data
2019	Mar 24	no data	Mar 15	no data
2018	Mar 27	Nov 11	Feb 26	Nov 13
2017	Mar 9	Nov 19	Mar 9	Nov 19
2016	Apr 1	Nov 18	Feb 8	Nov 18
2015	no data	Nov 5	no data	Nov 12
2014	Apr 4	no data	Feb 6	no data
2013	Mar 26	Oct 31	Feb 28	Dec 5
2012	Apr 15	Nov 11	Mar 21	Nov 11
2011	Apr 12	Nov 9	Apr 11	Nov 9
2010	May 24	Nov 10	Mar 11	Nov 25
2009	Apr 15	Oct 29	Apr 4	Nov 16
2008	Mar 18	Oct 12	Mar 5	Dec 13
2007	Mar 30	Nov 22	Mar 4	Nov 22
2006	Mar 23	Nov 28	Mar 23	Nov 29
2005	no data	Nov 18	no data	Nov 27
2004	Mar 7	Nov 1	Mar 1	Nov 28
2003	Apr 7	Nov 3	Apr 7	Nov 22
2002	Mar 18	Nov 16	Mar 18	Dec 10
2001	Apr 12	Nov 26	Feb 25	Nov 29
2000	Feb 26	Nov 8	Jan 4	Nov 13
1999	Apr 10	Nov 23	Feb 12	none
1998	Apr 1	Nov 10	Mar 29	Dec 6
1997	Mar 5	Dec 3	Feb 8	Dec 25
1996	no data	Oct 22	no data	Dec 18
1995	Apr 17	Dec 18	Mar 29	Dec 22
1994	Feb 24	Nov 14	Feb 24	Nov 19
1993	Mar 26	Nov 26	Jan 12	Dec 23
1992	Mar 8	Nov 24	Jan 14	Nov 26
1991	Mar 29	Oct 31	Mar 17	Dec 2
1990	Mar 15	Dec 17	Mar 13	Dec 18
1989	Mar 5	Dec 12	Mar 4	Dec 12
1988	Mar 29	Nov 16	Jan 25	Dec 22
1987	no data	Nov 16	no data	Dec 13
1978	Mar 14	no data	Feb 17	no data
1977	Apr 3	Dec 19	Mar 26	none
1976	Apr 17	Nov 27	Mar 4	Nov 28
1975	Apr 27	Nov 20	Apr 8	Nov 29
1974	Apr 10	Nov 5	Feb 24	Dec 10
1973	Mar 29	Nov 15	Mar 14	Nov 24
1972	Apr 14	Oct 31	Feb 3	Dec 5
1971	Apr 18	Oct 19	Mar 6	Oct 29
1970	Apr 29	Oct 28	Apr 28	Dec 23
1969	Mar 16	Nov 18	Mar 11	Nov 18
1968	Apr 19	Nov 27	Jan 12	Dec 3
1967	May 1	Nov 29	Feb 22	Dec 2
1966	Mar 5	Nov 24	Mar 5	Dec 26
1965	Apr 13	Nov 26	Mar 4	Dec 15
1964	May 5	Nov 14	Mar 25	Nov 15
1963	Apr 18	Dec 10	Mar 16	Dec 11
1962	Mar 23	Dec 25	Mar 15	Dec 25
1961	Mar 26	Oct 30	none	Dec 11
1960	Mar 2	Nov 28	Feb 25	Dec 4
1959	Mar 7	Dec 14	Feb 10	Dec 31
1958	Apr 5	Nov 16	Mar 10	Nov 16
1957	Apr 21	Nov 17	Jan 31	Nov 22
1956	Apr 2	Nov 2	Mar 13	Nov 3
1955	Apr 4	Nov 15	Feb 24	Dec 3
1954	Mar 25	Nov 30	Mar 12	Dec 27
1953	Apr 9	Nov 19	Mar 4	Nov 21
1952	Mar 23	Nov 16	Mar 23	Nov 25
1951	Mar 5	Nov 25	Mar 4	Nov 26

"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991 to 2020 frost probabilities.