Smithfield, NC: frost dates by year

Last spring and first fall frost at NOAA station USC00317994, 1951 to 2025, measured from daily minimum temperatures.

Elevation 150 ft, 35.517, -78.344. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 8	Oct 30
Earliest	Mar 10 (2010)	Oct 4 (1974)
Latest	May 11 (1966)	Nov 17 (1997)
Trend	1.2 days earlier per decade	1.5 days later per decade
Years with data	64	65

At 28°F (hard freeze) the median last spring date is Mar 19 and the median first fall date is Nov 8.

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 10	Nov 11	Mar 4	Nov 29
2024	Apr 23	Nov 16	Feb 22	Nov 29
2023	no data	Nov 1	no data	Nov 2
2020	Apr 5	no data	Mar 10	no data
2019	no data	Nov 9	no data	Nov 13
2018	Mar 24	Nov 11	Mar 23	Nov 28
2017	Mar 24	Nov 11	Mar 17	Nov 21
2016	Apr 10	Nov 8	Apr 10	Nov 13
2015	no data	Oct 19	no data	Nov 24
2014	Mar 28	Nov 3	Mar 28	Nov 15
2013	Mar 30	Oct 26	Mar 30	Oct 27
2012	Apr 13	Nov 3	Mar 7	Nov 10
2011	Apr 5	Oct 30	Apr 5	Nov 12
2010	Mar 10	Nov 8	Mar 9	Nov 28
2009	Apr 18	Nov 7	Apr 11	Dec 12
2008	no data	Oct 30	no data	Oct 31
2003	Apr 1	no data	Feb 17	no data
2002	Apr 30	Nov 9	Apr 24	Nov 28
2001	Apr 20	Oct 26	Mar 29	Oct 26
2000	Mar 21	Oct 12	Feb 7	Nov 21
1999	Mar 17	Nov 4	Mar 13	Nov 18
1998	Mar 15	Nov 7	Mar 15	Dec 18
1997	Apr 11	Nov 17	Feb 19	Nov 17
1996	Mar 25	Nov 3	Mar 14	Nov 12
1995	Apr 4	Nov 5	Mar 12	Nov 16
1994	no data	Oct 28	no data	Nov 12
1993	Apr 8	no data	Mar 20	no data
1992	Apr 7	Oct 20	Apr 4	Oct 20
1991	Mar 16	Nov 5	Mar 13	Nov 6
1990	Apr 8	Oct 27	Mar 8	Nov 19
1989	Apr 13	Oct 21	Mar 9	Nov 18
1988	Apr 20	Oct 13	Mar 22	Oct 14
1987	Apr 1	Oct 22	Mar 17	Oct 23
1986	Apr 24	Oct 20	Mar 23	Nov 14
1985	Apr 10	Nov 9	Apr 10	Dec 3
1984	Mar 12	Nov 7	Mar 11	Nov 8
1983	Apr 21	Nov 6	Mar 26	Nov 14
1982	Apr 24	Oct 18	Apr 7	Oct 18
1981	Apr 7	Oct 20	Mar 21	Oct 20
1980	Apr 17	Oct 13	Mar 15	Nov 3
1979	Mar 17	Oct 11	Mar 17	Oct 15
1978	Mar 18	no data	Mar 11	no data
1977	Apr 7	Oct 17	Mar 8	Oct 18
1976	Apr 28	Oct 22	Apr 13	Oct 29
1975	Apr 13	Oct 31	Mar 10	Nov 1
1974	Apr 11	Oct 4	Mar 15	Oct 21
1973	Apr 14	Oct 18	Mar 23	Nov 6
1972	Apr 10	Oct 20	Apr 10	Oct 21
1971	Mar 31	Nov 5	Mar 31	Nov 8
1970	Apr 8	Oct 18	Mar 17	Nov 17
1969	Apr 1	Oct 24	Mar 28	Oct 24
1968	Mar 26	Oct 5	Mar 25	Oct 31
1967	Mar 31	Oct 29	Mar 23	Nov 6
1966	May 11	Oct 31	Mar 29	Nov 4
1965	Apr 3	Oct 25	Mar 22	Oct 29
1964	Apr 2	Oct 12	Mar 31	Oct 25
1963	Apr 16	Oct 31	Mar 23	Oct 31
1962	Apr 17	Oct 25	Mar 19	Oct 27
1961	Apr 8	Oct 27	Mar 11	Nov 21
1960	Apr 11	Oct 26	Mar 23	Nov 8
1959	Mar 19	Nov 10	Mar 19	Nov 18
1958	Apr 8	Nov 11	Mar 22	Nov 30
1957	Apr 16	Oct 28	Feb 22	Oct 29
1956	Apr 21	Nov 10	Mar 25	Nov 19
1955	Mar 31	Oct 26	Mar 30	Nov 6
1954	Mar 22	Nov 1	Mar 22	Nov 1
1953	Apr 21	Nov 7	Feb 18	Nov 7
1952	Apr 8	Oct 21	Mar 18	Oct 22
1951	Mar 27	Nov 4	Mar 16	Nov 9

"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.