Randolph Afb, TX: frost dates by year

Last spring and first fall frost at NOAA station USW00012911, 1951 to 2024, measured from daily minimum temperatures.

Elevation 760 ft, 29.544, -98.274. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 6	Nov 30
Earliest	Jan 17 (1953)	Nov 1 (2019)
Latest	Mar 28 (1955)	Dec 30 (1954)
Trend	little change (less than half a day per decade)	0.5 days later per decade
Years with data	26	27, 2 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 13 and the median first fall date is Dec 12.

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	Feb 18	Dec 12	Jan 20	none
2023	Feb 18	Dec 11	none	none
2022	Mar 13	Dec 18	Mar 13	Dec 22
2021	Feb 19	Dec 12	Feb 19	none
2020	Feb 27	Nov 30	Feb 27	Dec 1
2019	Mar 6	Nov 1	none	Dec 18
2018	no data	Nov 13	no data	Nov 14
1970	Mar 27	Nov 16	Feb 3	Nov 16
1969	Mar 12	Nov 14	Jan 12	Nov 15
1968	Mar 23	Nov 12	Jan 14	Dec 23
1967	Mar 7	Dec 23	Feb 9	Dec 23
1966	Mar 6	Nov 2	Mar 6	Nov 3
1965	Mar 21	none	Mar 21	none
1964	Mar 10	Nov 22	Feb 23	Dec 6
1963	Mar 6	Dec 3	Feb 13	Dec 15
1962	Mar 16	Dec 6	Mar 2	Dec 12
1961	Feb 25	Dec 12	Jan 28	Dec 13
1960	Mar 4	Nov 11	Feb 26	Dec 22
1959	Jan 23	Nov 7	Jan 22	Nov 18
1958	Feb 16	Nov 29	Feb 13	Dec 14
1957	Jan 18	Nov 30	Jan 18	Dec 12
1956	Feb 5	none	Feb 4	none
1955	Mar 28	Nov 29	Feb 12	Dec 16
1954	Jan 22	Dec 30	none	none
1953	Jan 17	Dec 10	Jan 17	Dec 23
1952	Mar 24	Dec 15	none	none
1951	Mar 13	Nov 3	Feb 15	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.