Morrilton, AR: frost dates by year

Last spring and first fall frost at NOAA station USC00034938, 1951 to 2025, measured from daily minimum temperatures.

Elevation 340 ft, 35.158, -92.767. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 29	Nov 2
Earliest	Mar 6 (1985)	Oct 4 (1987)
Latest	Apr 21 (2021)	Nov 27 (2009)
Trend	1.1 days later per decade	little change (less than half a day per decade)
Years with data	67	67

At 28°F (hard freeze) the median last spring date is Mar 16 and the median first fall date is Nov 9.

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	Mar 22	Nov 10	Mar 22	Nov 11
2024	Mar 28	Oct 17	Mar 20	Nov 29
2023	Mar 21	Oct 31	Mar 21	Oct 31
2022	Apr 9	Oct 18	Apr 9	Oct 19
2021	Apr 21	Nov 5	Mar 3	Nov 5
2020	Apr 15	Nov 2	Feb 28	Dec 1
2019	Apr 3	Nov 1	Mar 16	Nov 1
2018	Apr 16	Nov 10	Apr 8	Nov 10
2017	Mar 16	Oct 28	Mar 16	Oct 28
2016	Mar 26	Nov 13	Mar 22	Nov 13
2015	Mar 29	Nov 22	Mar 7	Nov 22
2014	Apr 16	Nov 1	Mar 26	Nov 1
2013	Apr 21	Nov 7	Mar 28	Nov 13
2012	Mar 10	Oct 27	Feb 25	Nov 13
2011	Apr 5	Oct 21	Mar 11	Nov 18
2010	Mar 7	Oct 29	Mar 6	Oct 30
2009	Mar 12	Nov 27	Mar 4	Nov 27
2008	Mar 24	Oct 28	Mar 9	Nov 16
2007	Apr 9	Nov 7	Apr 9	Nov 7
2006	Mar 28	Oct 13	Mar 28	Nov 2
2005	no data	Oct 22	no data	Nov 17
2004	Mar 23	Nov 25	Feb 28	Dec 1
2003	Apr 10	Nov 24	Mar 30	Nov 24
2002	Apr 6	Oct 17	Mar 28	Nov 17
2001	Apr 19	Oct 17	Mar 26	Nov 20
2000	Apr 10	Oct 8	Mar 13	Oct 9
1999	Apr 19	Oct 24	Mar 16	Oct 24
1998	Mar 24	Nov 11	Mar 14	Dec 9
1997	Apr 15	Oct 28	Mar 17	Nov 4
1996	Apr 10	Oct 20	Apr 8	Nov 3
1995	Apr 2	Nov 3	Mar 11	Nov 4
1994	Apr 8	Oct 26	Apr 8	Oct 27
1993	Mar 19	Oct 28	Mar 15	Oct 31
1992	Apr 4	Nov 6	Apr 3	Nov 6
1991	Mar 31	Nov 2	Mar 31	Nov 2
1988	Mar 30	Nov 17	Mar 16	Nov 22
1987	Apr 5	Oct 4	Apr 4	Oct 13
1986	Mar 22	Nov 12	Mar 22	Nov 12
1985	Mar 6	no data	Feb 28	no data
1984	Mar 11	Nov 3	Mar 9	Nov 12
1979	no data	Nov 4	no data	Nov 11
1978	Mar 27	no data	Mar 17	no data
1977	Mar 23	Nov 11	Mar 7	Nov 26
1976	Mar 17	Oct 18	Feb 23	Nov 5
1975	Apr 4	Oct 19	Mar 14	Nov 14
1974	Apr 9	Nov 15	Mar 24	Nov 15
1973	Apr 11	Nov 10	Feb 22	Nov 11
1972	Mar 30	Nov 23	Feb 10	Nov 23
1971	Mar 26	Nov 7	Mar 8	Nov 8
1970	Apr 3	Nov 6	Feb 26	Nov 16
1969	Mar 14	Nov 5	Mar 11	Nov 15
1968	Mar 24	Oct 29	Mar 24	Nov 12
1967	Mar 18	Nov 4	Mar 18	Nov 6
1966	Mar 25	Nov 2	Mar 25	Nov 3
1965	Mar 27	Oct 25	Mar 21	Nov 30
1964	Mar 30	Nov 20	Mar 30	Nov 21
1963	Mar 8	Nov 13	Feb 27	Nov 14
1962	Apr 3	Nov 4	Mar 7	Dec 10
1961	Mar 10	Oct 27	Mar 10	Oct 27
1960	Mar 26	Oct 21	Mar 21	Nov 7
1959	Mar 23	Oct 28	Mar 7	Nov 6
1958	Mar 20	Nov 7	Mar 4	Nov 7
1957	Apr 13	Oct 27	Mar 8	Oct 28
1956	Apr 8	Nov 9	Mar 20	Nov 9
1955	Mar 29	Oct 25	Mar 29	Nov 4
1954	Apr 1	Oct 30	Apr 1	Nov 2
1953	Mar 8	Oct 30	Feb 23	Nov 6
1952	Mar 28	Oct 8	Mar 6	Oct 22
1951	Apr 17	Nov 2	Mar 20	Nov 3

"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.