Sealy, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00418160, 1951 to 2001, measured from daily minimum temperatures.

Elevation 196 ft, 29.771, -96.146. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Feb 18	Nov 30
Earliest	Jan 11 (1999)	Oct 31 (1993)
Latest	Apr 3 (1987)	Dec 30 (1954)
Trend	5.0 days earlier per decade	0.6 days later per decade
Years with data	40, 1 with no freeze	42, 5 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 9 and the median first fall date is Dec 10.

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
2001	Feb 9	Nov 28	Jan 20	none
2000	Jan 31	Dec 11	Jan 6	Dec 16
1999	Jan 11	Dec 6	Jan 5	Dec 6
1998	none	Dec 23	none	Dec 26
1996	Mar 10	no data	Mar 10	no data
1995	no data	Dec 10	no data	Dec 10
1994	Feb 11	none	Feb 10	none
1993	no data	Oct 31	no data	Oct 31
1992	Jan 16	Nov 27	Jan 16	Nov 27
1991	Jan 22	Nov 4	Jan 1	Nov 4
1990	Jan 13	Dec 5	none	Dec 22
1989	Mar 8	Dec 9	Mar 7	Dec 9
1988	Feb 13	none	Feb 12	none
1987	Apr 3	Dec 15	Jan 23	none
1986	Feb 12	none	Feb 12	none
1985	Feb 12	Dec 2	Feb 4	Dec 14
1984	no data	Dec 7	no data	none
1982	Mar 8	Dec 12	Mar 7	Dec 13
1981	Feb 16	Nov 21	Feb 12	Dec 18
1980	Mar 3	Nov 19	Mar 3	Nov 27
1979	Feb 18	Nov 14	Feb 9	Nov 30
1978	no data	Dec 8	no data	Dec 9
1972	Feb 9	no data	Feb 4	no data
1971	Mar 8	none	Mar 4	none
1970	Feb 16	Nov 16	Feb 3	Nov 16
1969	Mar 9	Nov 15	Jan 5	Nov 15
1968	Mar 23	Nov 12	Mar 1	Dec 15
1967	Mar 7	Dec 23	Feb 7	none
1966	Feb 25	Nov 3	Feb 4	Nov 3
1965	Mar 21	none	Mar 20	none
1964	Feb 23	Nov 23	Feb 21	Dec 6
1963	Feb 14	Nov 24	Feb 13	Dec 15
1962	Mar 6	Dec 12	Mar 1	Dec 12
1961	Feb 8	Dec 12	Jan 30	Dec 12
1960	Mar 18	Nov 30	Mar 4	Dec 21
1959	Jan 23	Nov 7	Jan 22	Nov 7
1958	Feb 16	Nov 29	Feb 13	Dec 14
1957	Jan 18	Nov 30	Jan 18	Dec 12
1956	Mar 8	Nov 27	Jan 19	Nov 27
1955	Mar 28	Nov 29	Mar 27	Nov 29
1954	Mar 7	Dec 30	Jan 23	none
1953	Feb 22	Dec 10	Jan 17	Dec 23
1952	Mar 24	Dec 15	none	Dec 15
1951	Feb 16	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.