Louisburg, NC: frost dates by year

Last spring and first fall frost at NOAA station USC00315123, 1951 to 2024, measured from daily minimum temperatures.

Elevation 260 ft, 36.102, -78.304. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 18	Oct 20
Earliest	Mar 19 (2000)	Sep 19 (2004)
Latest	May 11 (1986)	Dec 3 (1985)
Trend	1.9 days earlier per decade	1.9 days later per decade
Years with data	62	58

At 28°F (hard freeze) the median last spring date is Apr 4 and the median first fall date is Oct 31.

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
2024	Mar 27	no data	Feb 23	no data
2023	Mar 22	Nov 2	Mar 22	Nov 2
2022	Apr 21	Oct 19	Mar 30	Nov 15
2021	May 10	Nov 5	Apr 4	Nov 14
2020	May 10	Nov 3	Mar 9	Nov 19
2019	Apr 4	Nov 2	Mar 28	Nov 9
2018	Apr 21	Oct 22	Mar 25	Nov 11
2016	Apr 11	no data	Apr 11	no data
2015	Apr 6	Oct 18	Mar 30	Nov 23
2014	Apr 18	Nov 4	Mar 28	Nov 4
2013	Mar 30	Oct 26	Mar 30	Oct 26
2012	no data	Nov 2	no data	Nov 9
2011	Apr 4	Oct 30	Mar 30	Oct 30
2010	Mar 30	Nov 7	Mar 30	Nov 7
2009	Apr 18	Oct 20	Apr 17	Nov 7
2008	Apr 17	Oct 20	Mar 25	Oct 30
2007	Apr 11	Oct 30	Apr 11	Nov 7
2005	Apr 18	no data	Mar 30	no data
2004	Apr 7	Sep 19	Apr 7	Sep 20
2003	May 6	Oct 24	Apr 25	Nov 14
2002	Apr 8	no data	Apr 8	no data
2001	Apr 20	Oct 9	Apr 20	Oct 29
2000	Mar 19	no data	Mar 15	no data
1999	Mar 31	Oct 25	Mar 17	Nov 4
1998	Apr 7	Oct 23	Mar 14	Nov 7
1997	Apr 16	Oct 23	Apr 11	Nov 17
1996	Apr 11	Nov 3	Mar 25	Nov 4
1995	Apr 4	Nov 5	Apr 4	Nov 5
1994	Apr 11	Oct 28	Mar 18	Nov 12
1993	Apr 28	Oct 24	Mar 21	Nov 2
1992	Apr 14	Oct 20	Apr 6	Oct 20
1991	Apr 2	Oct 7	Apr 2	Oct 30
1990	Apr 20	Oct 20	Apr 9	Oct 27
1989	May 8	Sep 28	Apr 12	Sep 28
1987	no data	Oct 2	no data	Oct 4
1986	May 11	no data	Apr 24	no data
1985	no data	Dec 3	no data	Dec 3
1981	May 4	no data	Apr 7	no data
1980	May 11	Oct 15	Apr 17	Nov 3
1979	Apr 18	Oct 14	Apr 7	Oct 27
1976	May 9	Oct 11	Apr 13	Oct 19
1975	Apr 22	Oct 4	Apr 14	Oct 31
1974	Apr 21	Oct 3	Apr 11	Oct 3
1973	Apr 16	Oct 18	Apr 15	Oct 18
1972	Apr 27	Oct 20	Apr 10	Oct 21
1971	Apr 23	Nov 5	Apr 15	Nov 8
1970	May 8	Oct 17	Mar 28	Oct 18
1969	Apr 25	Oct 18	Apr 1	Oct 24
1968	Apr 18	Oct 5	Mar 26	Oct 6
1967	Apr 29	Oct 20	Apr 13	Oct 29
1966	May 11	Oct 7	Apr 11	Oct 31
1965	Apr 17	Oct 6	Apr 3	Oct 26
1964	Apr 11	Oct 8	Apr 3	Oct 12
1963	May 3	Oct 14	May 2	Oct 31
1962	Apr 22	Oct 24	Apr 19	Oct 24
1961	Apr 30	Oct 5	Apr 19	Oct 27
1960	Apr 21	Oct 22	Apr 12	Oct 25
1959	no data	Oct 20	no data	Nov 3
1958	Apr 13	no data	Apr 2	no data
1957	May 5	Oct 13	Apr 16	Oct 14
1956	May 9	Oct 12	Apr 21	Nov 10
1955	Apr 8	Oct 25	Apr 1	Nov 5
1954	Apr 2	Oct 21	Mar 22	Nov 1
1953	Apr 28	Oct 9	Apr 22	Nov 7
1952	Apr 17	Oct 21	Mar 16	Oct 21
1951	Mar 25	Nov 3	Mar 23	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.