Last Frost Day

Frost history / Liberty, TX

Liberty, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00415196, 1951 to 2019, measured from daily minimum temperatures.

Elevation 35 ft, 30.059, -94.795. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 2Nov 23
EarliestJan 9 (2017)Oct 29 (1952)
LatestApr 7 (1971)Dec 19 (2016)
Trend2.7 days earlier per decade3.1 days later per decade
Years with data50, 1 with no freeze51, 2 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 12 and the median first fall date is Dec 9.

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)

Dec 31Jan 15Jan 30Feb 14Mar 1Mar 16Mar 31Apr 151960197019801990200020101951: Mar 151952: Mar 241953: Jan 201954: Mar 71955: Mar 281956: Mar 81957: Mar 81958: Feb 161959: Jan 231960: Mar 181961: Feb 81962: Mar 161963: Mar 71964: Feb 231965: Mar 211966: Mar 71967: Mar 71968: Mar 131970: Feb 181971: Apr 71972: Feb 91973: Feb 181974: Feb 261976: Feb 241977: Feb 151978: Mar 91979: Feb 201980: Mar 31981: Feb 161986: Mar 21987: Mar 311988: Feb 131989: Mar 101991: Jan 141992: Jan 211993: Mar 152006: Feb 142007: Mar 72008: Feb 22009: Jan 302010: Feb 262011: Feb 142012: Feb 132013: Mar 42014: Mar 52015: Mar 72016: Feb 62017: Jan 92019: Mar 7

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 261960197019801990200020101951: Nov 31952: Oct 291953: Nov 111954: Nov 51955: Nov 41956: Nov 91957: Dec 11958: Nov 291959: Nov 71960: Dec 21961: Nov 91962: Nov 91963: Nov 241964: Nov 231965: Dec 81966: Nov 31967: Nov 51968: Nov 121969: Nov 151970: Nov 31971: Nov 251972: Nov 231974: Nov 301975: Nov 141976: Nov 221977: Nov 111979: Nov 261980: Nov 271981: Dec 181982: Dec 121985: Dec 21987: Nov 111988: Nov 291989: Dec 91990: Dec 51991: Nov 41992: Nov 271993: Oct 302006: Nov 212007: Dec 52008: Dec 112010: Nov 272011: Nov 292012: Dec 132013: Nov 282014: Nov 142016: Dec 192017: Dec 82019: Nov 13

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

YearLast spring 32°FFirst fall 32°FLast spring 28°FFirst fall 28°F
2019Mar 7Nov 13Mar 7Nov 13
2017Jan 9Dec 8Jan 9Dec 9
2016Feb 6Dec 19nonenone
2015Mar 7noneJan 9none
2014Mar 5Nov 14Jan 30none
2013Mar 4Nov 28Jan 18Dec 25
2012Feb 13Dec 13nonenone
2011Feb 14Nov 29Feb 13none
2010Feb 26Nov 27Jan 11Dec 26
2009Jan 30no datanoneno data
2008Feb 2Dec 11Jan 19none
2007Mar 7Dec 5Feb 17none
2006Feb 14Nov 21noneDec 5
1993Mar 15Oct 30noneNov 27
1992Jan 21Nov 27nonenone
1991Jan 14Nov 4noneNov 4
1990noneDec 5noneDec 23
1989Mar 10Dec 9Mar 10Dec 13
1988Feb 13Nov 29Feb 13none
1987Mar 31Nov 11Jan 24none
1986Mar 2noneFeb 13none
1985no dataDec 2no dataDec 14
1982no dataDec 12no dataDec 13
1981Feb 16Dec 18Feb 12Dec 19
1980Mar 3Nov 27Mar 3none
1979Feb 20Nov 26Feb 10Nov 29
1978Mar 9no dataFeb 22no data
1977Feb 15Nov 11Jan 29Nov 12
1976Feb 24Nov 22Jan 28Nov 29
1975no dataNov 14no dataNov 23
1974Feb 26Nov 30Feb 25Dec 1
1973Feb 18no dataFeb 12no data
1972Feb 9Nov 23Feb 9Dec 16
1971Apr 7Nov 25Mar 8none
1970Feb 18Nov 3Feb 5Nov 16
1969no dataNov 15no dataNov 15
1968Mar 13Nov 12Mar 1Dec 15
1967Mar 7Nov 5Mar 7Dec 23
1966Mar 7Nov 3Feb 5Nov 3
1965Mar 21Dec 8Mar 20none
1964Feb 23Nov 23Feb 23Dec 15
1963Mar 7Nov 24Feb 14Dec 15
1962Mar 16Nov 9Jan 13Dec 12
1961Feb 8Nov 9Jan 30Dec 29
1960Mar 18Dec 2Feb 26Dec 22
1959Jan 23Nov 7Jan 23Nov 7
1958Feb 16Nov 29Feb 14Nov 29
1957Mar 8Dec 1Jan 19Dec 12
1956Mar 8Nov 9Jan 20Nov 10
1955Mar 28Nov 4Mar 27Nov 29
1954Mar 7Nov 5Mar 7Dec 14
1953Jan 20Nov 11Jan 18Dec 10
1952Mar 24Oct 29noneDec 6
1951Mar 15Nov 3Mar 14Nov 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.