Conroe, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00411956, 1951 to 2025, measured from daily minimum temperatures.

Elevation 245 ft, 30.330, -95.483. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 4	Nov 27
Earliest	Jan 8 (2017)	Oct 19 (1989)
Latest	Mar 28 (1955)	Dec 31 (1986)
Trend	3.3 days earlier per decade	1.4 days later per decade
Years with data	68, 1 with no freeze	71, 3 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 14 and the median first fall date is Dec 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	Feb 22	Dec 15	Feb 22	Dec 15
2024	Jan 20	none	Jan 20	none
2023	none	none	none	none
2022	Feb 16	Dec 23	Feb 8	Dec 23
2021	Feb 21	Nov 22	Feb 21	none
2020	Feb 27	Dec 1	Feb 27	none
2019	Mar 6	Nov 12	Mar 5	Nov 13
2018	Jan 19	Nov 14	Jan 19	Nov 14
2017	Jan 8	Dec 8	Jan 8	Dec 9
2016	no data	Dec 18	no data	Dec 19
2015	Mar 6	Dec 28	Mar 6	none
2014	no data	Nov 14	no data	none
2013	Mar 3	Nov 27	Jan 18	none
2012	Feb 12	Dec 11	Jan 13	none
2011	Feb 13	Nov 28	Feb 12	Dec 7
2010	Feb 25	Nov 27	Feb 16	Dec 26
2009	Mar 1	Dec 5	Jan 29	Dec 5
2008	Feb 27	Nov 16	Jan 3	none
2007	Mar 5	Nov 23	Feb 17	Nov 23
2006	Mar 25	Nov 21	Mar 25	Dec 5
2005	Jan 24	Dec 6	none	Dec 8
2004	Feb 6	Dec 15	Jan 27	Dec 15
2003	Feb 16	no data	Feb 16	no data
2002	Mar 4	Dec 5	Mar 4	none
2001	Feb 11	Nov 28	Jan 20	Dec 26
2000	no data	Nov 13	no data	Dec 16
1999	Feb 12	Nov 2	Jan 10	none
1998	Mar 10	Dec 12	none	Dec 25
1997	Feb 10	Nov 15	Jan 28	Dec 12
1996	Mar 20	Dec 1	Mar 20	Dec 18
1995	Mar 8	Nov 12	none	Dec 9
1994	Mar 9	Dec 9	Feb 1	none
1993	Mar 13	Oct 30	Mar 13	Nov 6
1992	Jan 23	Nov 26	Jan 19	Nov 26
1991	Jan 31	Nov 3	Jan 31	Nov 3
1990	Feb 4	Nov 29	Jan 12	Dec 4
1989	Mar 8	Oct 19	Mar 7	Dec 8
1988	Mar 18	Nov 27	Mar 14	none
1987	no data	Nov 11	no data	Dec 15
1986	Feb 12	Dec 31	Feb 12	none
1985	Feb 17	Dec 1	Feb 14	Dec 1
1984	Mar 7	Nov 22	Feb 28	Nov 22
1983	no data	Nov 25	no data	Dec 7
1982	Mar 6	no data	Mar 6	no data
1981	no data	Dec 18	no data	Dec 18
1980	Mar 4	Nov 26	Mar 4	Dec 25
1979	Feb 19	no data	Feb 9	no data
1978	Mar 10	Dec 4	Mar 5	Dec 9
1977	no data	Nov 10	no data	Dec 22
1976	Feb 23	Nov 28	Jan 28	Nov 29
1975	Mar 14	Nov 23	Feb 8	Nov 23
1974	Feb 27	no data	Feb 26	no data
1973	Feb 18	Dec 8	Feb 12	Dec 20
1972	Feb 10	Nov 26	Feb 9	Dec 16
1971	Mar 11	none	Mar 7	none
1970	Mar 22	Nov 16	Feb 10	Nov 16
1969	Mar 11	Nov 15	Jan 6	Nov 15
1968	Mar 23	Nov 12	Mar 2	Nov 12
1967	Mar 8	Dec 4	Mar 7	Dec 23
1966	Mar 7	Nov 2	Mar 6	Nov 3
1965	Mar 21	Nov 30	Mar 20	none
1964	Mar 11	Nov 23	Feb 23	Dec 15
1963	Mar 7	Nov 30	Feb 15	Dec 15
1962	Mar 16	Nov 9	Mar 1	Dec 12
1961	Feb 9	Dec 13	Jan 31	Dec 25
1960	Mar 18	Dec 1	Mar 4	Dec 21
1959	Jan 24	Nov 7	Jan 23	Nov 7
1958	Feb 17	Nov 29	Feb 16	Nov 29
1957	Mar 8	Oct 27	Jan 19	Nov 30
1956	Mar 8	Nov 10	Jan 15	Nov 27
1955	Mar 28	Nov 29	Mar 27	Nov 29
1954	Mar 7	Dec 14	Feb 8	none
1953	Feb 23	Dec 7	Jan 18	Dec 15
1952	Mar 24	Dec 6	none	Dec 15
1951	Mar 14	Nov 3	Feb 16	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.