Smithville, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00418415, 1951 to 2018, measured from daily minimum temperatures.

Elevation 317 ft, 30.009, -97.164. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 9	Nov 17
Earliest	Jan 25 (1992)	Oct 20 (2002)
Latest	May 4 (2013)	Dec 16 (1998)
Trend	little change (less than half a day per decade)	1.0 days earlier per decade
Years with data	61	59, 1 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 24 and the median first fall date is Dec 5.

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

"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.