Harrison, AR: frost dates by year

Last spring and first fall frost at NOAA station USC00033164, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,132 ft, 36.196, -93.106. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 14	Oct 19
Earliest	Mar 15 (2017)	Sep 29 (1967)
Latest	May 4 (1954)	Nov 13 (2016)
Trend	1.5 days earlier per decade	1.6 days later per decade
Years with data	34	32

At 28°F (hard freeze) the median last spring date is Apr 1 and the median first fall date is Oct 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	Mar 21	Nov 2	Mar 6	Nov 9
2024	Apr 22	Oct 16	Mar 27	Oct 16
2023	Apr 24	Oct 30	Mar 20	Oct 31
2022	Apr 1	Oct 18	Apr 1	Oct 19
2021	Apr 22	Nov 4	Apr 21	Nov 5
2020	Apr 18	no data	Feb 27	no data
2019	Apr 1	Oct 12	Apr 1	Nov 1
2018	Apr 16	Nov 9	Apr 8	Nov 9
2017	Mar 15	Oct 28	Mar 15	Oct 29
2016	Mar 25	Nov 13	Feb 26	Nov 20
1974	Apr 17	Oct 16	Apr 9	Oct 16
1973	Apr 11	Nov 6	Apr 11	Nov 6
1972	Apr 4	Oct 26	Apr 4	Nov 22
1971	Apr 14	Nov 7	Mar 25	Nov 7
1970	Apr 5	Oct 10	Apr 3	Nov 16
1969	Mar 31	Oct 15	Mar 30	Oct 28
1968	Apr 15	Oct 4	Apr 5	Oct 25
1967	Mar 19	Sep 29	Mar 18	Oct 28
1966	Apr 10	Oct 16	Apr 6	Oct 20
1965	Mar 27	no data	Mar 27	no data
1964	Apr 9	Oct 6	Apr 9	Oct 20
1963	May 1	Nov 11	Mar 22	Nov 13
1962	Apr 16	Oct 26	Apr 16	Nov 4
1961	May 2	Oct 15	Mar 10	Oct 26
1960	May 1	Oct 20	Mar 23	Oct 20
1959	Apr 23	Oct 18	Apr 14	Oct 18
1958	Apr 12	Oct 2	Apr 8	Oct 27
1957	Apr 14	Oct 19	Apr 14	Oct 26
1956	Apr 23	Oct 8	Apr 20	Nov 9
1955	Apr 8	Oct 14	Mar 29	Oct 19
1954	May 4	Nov 2	Apr 1	Nov 2
1953	Apr 21	Oct 29	Apr 20	Oct 29
1952	Apr 16	Oct 3	Mar 26	Oct 7
1951	Apr 23	Nov 1	Apr 23	Nov 2

"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.