Grand Coteau, LA: frost dates by year

Last spring and first fall frost at NOAA station USC00163800, 1951 to 2023, measured from daily minimum temperatures.

Elevation 55 ft, 30.418, -92.044. Download the data (JSON) · NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Feb 27	Nov 23
Earliest	Jan 9 (2017)	Oct 19 (2022)
Latest	Apr 5 (1987)	Dec 16 (1998)
Trend	little change (less than half a day per decade)	little change (less than half a day per decade)
Years with data	73	68, 3 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 12 and the median first fall date is Dec 7.

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
2023	Mar 20	Nov 2	Mar 20	none
2022	Mar 13	Oct 19	Mar 13	Nov 18
2021	Feb 22	none	Feb 22	none
2020	Feb 27	Dec 1	Feb 27	Dec 1
2019	Mar 6	Nov 9	Mar 6	Nov 13
2018	Jan 31	Nov 15	Jan 18	Nov 15
2017	Jan 9	Nov 23	Jan 8	Dec 9
2016	Feb 10	no data	Jan 24	no data
2015	Mar 7	Nov 23	Mar 6	none
2014	Mar 5	no data	Mar 5	no data
2013	Mar 3	Nov 13	Mar 3	Nov 28
2012	Feb 12	Nov 25	none	none
2011	Feb 15	Dec 7	Feb 12	Dec 8
2010	Mar 4	Nov 27	Feb 16	Dec 7
2009	Mar 2	Dec 5	Feb 5	Dec 5
2008	Mar 8	Oct 28	Jan 22	Dec 2
2007	Mar 5	Dec 4	Feb 17	Dec 17
2006	Feb 19	no data	Feb 12	no data
2005	Jan 25	Nov 18	Jan 25	Dec 6
2004	Apr 2	Dec 15	Jan 28	Dec 15
2003	Feb 11	Nov 25	Jan 25	Nov 25
2002	Mar 5	Nov 29	Mar 5	Dec 7
2001	Feb 18	Nov 21	Jan 21	Dec 26
2000	Feb 6	Nov 15	Feb 6	Nov 22
1999	Feb 22	Nov 3	Jan 10	Dec 7
1998	Mar 12	Dec 16	Mar 11	none
1997	Jan 29	Nov 16	Jan 19	Nov 17
1996	Mar 21	Dec 2	Mar 11	Dec 20
1995	Feb 12	Nov 30	Feb 8	Dec 10
1994	Feb 25	Dec 1	Feb 2	Dec 12
1993	Mar 15	Oct 31	Mar 14	Nov 1
1992	Feb 10	Nov 6	Jan 20	Nov 29
1991	Feb 16	no data	Feb 16	no data
1990	Jan 13	Nov 30	Jan 13	Dec 5
1989	Mar 9	Oct 20	Mar 6	Dec 13
1988	Mar 19	Nov 29	Mar 15	Dec 18
1987	Apr 5	Nov 12	Mar 31	Nov 12
1986	Mar 23	none	Mar 22	none
1985	Feb 16	Dec 2	Feb 4	Dec 14
1984	Mar 7	Nov 23	Feb 7	Dec 7
1983	Mar 12	Nov 25	Jan 16	Dec 20
1982	Feb 10	Dec 13	Jan 17	Dec 13
1981	Feb 13	Nov 21	Feb 12	Dec 19
1980	Mar 3	Nov 19	Mar 3	Dec 21
1979	Feb 19	Nov 14	Feb 10	Nov 30
1978	Mar 5	Dec 5	Mar 5	Dec 10
1977	Mar 5	Dec 7	Feb 16	Dec 10
1976	Feb 8	Nov 14	Jan 28	Nov 29
1975	Mar 5	Nov 14	Feb 7	Nov 24
1974	Feb 27	Nov 27	Feb 26	Dec 4
1973	Feb 16	Dec 7	Feb 11	Dec 8
1972	Feb 8	Dec 1	Feb 5	Dec 1
1971	Mar 8	none	Mar 4	none
1970	Feb 17	Nov 16	Feb 17	Nov 24
1969	Mar 10	Nov 15	Jan 13	Nov 15
1968	Mar 24	Nov 12	Mar 1	Dec 16
1967	Feb 26	Dec 4	Feb 26	Dec 23
1966	Feb 25	no data	Feb 25	no data
1965	Mar 21	Nov 30	Mar 21	Dec 8
1964	Feb 26	Nov 22	Feb 23	Dec 1
1963	Feb 23	Nov 14	Feb 22	Dec 16
1962	Mar 7	Dec 6	Jan 14	Dec 10
1961	Jan 31	Nov 30	Jan 31	Dec 25
1960	Mar 18	Dec 1	Mar 6	Dec 2
1959	Feb 21	Nov 7	Jan 23	Nov 7
1958	Feb 18	Nov 29	Feb 13	Nov 29
1957	Mar 8	Oct 28	Jan 19	Dec 1
1956	Mar 9	Nov 9	Jan 20	Nov 27
1955	Mar 29	Nov 4	Mar 27	Nov 29
1954	Mar 7	Dec 7	Feb 8	Dec 7
1953	Jan 12	Nov 11	none	Dec 24
1952	Jan 11	Oct 29	Jan 11	Dec 15
1951	Mar 14	Nov 3	Feb 4	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 1991–2020 frost probabilities.