Hillsboro, NM: frost dates by year

Last spring and first fall frost at NOAA station USC00294009, 1954 to 2025, measured from daily minimum temperatures.

Elevation 5,267 ft, 32.920, -107.566. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 20	Oct 23
Earliest	Apr 2 (1985)	Oct 8 (1970)
Latest	May 10 (2015)	Nov 12 (1988)
Trend	little change (less than half a day per decade)	little change (less than half a day per decade)
Years with data	71	71

At 28°F (hard freeze) the median last spring date is Apr 7 and the median first fall date is Nov 2.

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 20	Oct 29	Apr 7	Oct 30
2024	Apr 16	Oct 31	Apr 10	Oct 31
2023	Apr 20	Oct 30	Apr 6	Oct 31
2022	Apr 14	Oct 25	Apr 13	Oct 25
2021	Apr 19	Oct 13	Apr 1	Oct 28
2020	Apr 15	Oct 27	Mar 28	Oct 27
2019	Apr 14	Oct 17	Apr 14	Oct 25
2018	Apr 15	Oct 9	Mar 28	Nov 10
2017	Apr 30	Oct 28	Apr 30	Nov 19
2016	Apr 4	Nov 9	Apr 3	Nov 18
2015	May 10	Oct 31	Apr 17	Nov 6
2014	Apr 4	Nov 5	Mar 13	Nov 13
2013	Apr 19	Oct 18	Apr 19	Oct 31
2012	Apr 15	Oct 27	Apr 3	Oct 27
2011	May 3	Oct 8	Mar 23	Nov 3
2010	May 1	Oct 22	May 1	Nov 10
2009	Apr 18	Oct 27	Apr 17	Oct 27
2008	May 2	Oct 15	Apr 18	Oct 23
2007	Apr 22	Oct 23	Mar 31	Oct 23
2006	Apr 7	Oct 19	Mar 24	Nov 11
2005	Apr 30	Nov 1	Apr 11	Nov 16
2004	Apr 12	Oct 23	Mar 6	Oct 23
2003	Apr 24	Oct 27	Mar 31	Nov 5
2002	Apr 21	Oct 25	Mar 26	Nov 5
2001	May 5	Oct 13	Apr 13	Nov 20
2000	Apr 3	Oct 30	Mar 19	Nov 1
1999	Apr 18	Oct 17	Apr 12	Oct 18
1998	Apr 13	no data	Apr 8	no data
1997	no data	Oct 13	no data	Oct 25
1996	Apr 14	Oct 22	Apr 7	Oct 22
1995	May 8	Nov 7	May 8	Nov 22
1994	Apr 30	Oct 11	Apr 28	Nov 5
1993	May 2	Oct 20	Apr 15	Oct 22
1992	Apr 7	Oct 8	Mar 24	Nov 2
1991	May 4	Oct 28	Apr 29	Oct 29
1990	Apr 3	Oct 10	Mar 17	Oct 22
1989	Apr 28	Oct 19	Mar 22	Oct 31
1988	May 2	Nov 12	Apr 18	Nov 12
1987	Apr 23	Nov 7	Apr 8	Nov 10
1986	Apr 19	Oct 14	Mar 22	Nov 9
1985	Apr 2	Nov 2	Mar 31	Nov 2
1984	Apr 30	Oct 19	Apr 26	Nov 10
1983	May 3	Nov 10	Apr 14	Nov 10
1982	Apr 24	Oct 11	Mar 24	Oct 29
1981	Apr 4	Oct 24	Mar 23	Oct 24
1980	Apr 15	Oct 17	Apr 14	Oct 17
1979	Apr 13	Oct 22	Apr 5	Oct 31
1978	Apr 11	Oct 27	Apr 10	Nov 16
1977	Apr 21	Nov 2	Mar 30	Nov 2
1976	Apr 20	Oct 8	Apr 18	Oct 8
1975	May 7	Oct 16	May 6	Nov 13
1974	Apr 14	Oct 30	Apr 5	Oct 31
1973	Apr 17	Oct 11	Apr 9	Nov 15
1972	Apr 22	Nov 1	Apr 21	Nov 1
1971	Apr 29	Oct 20	Apr 20	Oct 27
1970	May 3	Oct 8	Apr 5	Oct 28
1969	May 7	Oct 13	Mar 26	Nov 3
1968	Apr 24	Oct 17	Apr 24	Oct 18
1967	May 2	Oct 17	May 2	Oct 31
1966	Apr 6	Oct 15	Apr 5	Nov 2
1965	Apr 16	Oct 18	Apr 6	Oct 18
1964	Apr 26	Oct 20	Mar 27	Nov 5
1963	Apr 28	Nov 6	Apr 19	Nov 19
1962	Apr 7	Nov 8	Mar 31	Nov 8
1961	Apr 25	Nov 3	Apr 9	Nov 3
1960	Apr 25	Oct 31	Apr 25	Oct 31
1959	Apr 8	Nov 4	Mar 28	Nov 4
1958	Apr 15	Oct 30	Apr 14	Nov 14
1957	Apr 23	Oct 23	Mar 25	Nov 7
1956	Apr 16	Oct 25	Apr 4	Oct 25
1955	Apr 14	Oct 28	Apr 2	Nov 8
1954	Apr 4	Nov 5	Mar 27	Nov 6

"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.