Last Frost Day

Frost history / Hillsboro, TX

Hillsboro, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00414182, 1951 to 2025, measured from daily minimum temperatures.

Elevation 550 ft, 32.016, -97.109. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 17Nov 12
EarliestJan 28 (2017)Oct 20 (1976)
LatestApr 16 (2014)Dec 12 (1961)
Trend1.1 days earlier per decadelittle change (less than half a day per decade)
Years with data6670

At 28°F (hard freeze) the median last spring date is Mar 3 and the median first fall date is Nov 27.

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)

Jan 15Jan 30Feb 14Mar 1Mar 16Mar 31Apr 15Apr 3019601970198019902000201020201952: Mar 241953: Feb 231954: Mar 151957: Apr 131959: Feb 211960: Mar 181961: Feb 91962: Mar 71963: Mar 61964: Mar 271965: Mar 271966: Mar 251967: Mar 91968: Mar 241969: Mar 271970: Apr 21971: Apr 71972: Mar 21973: Apr 101975: Mar 311976: Feb 231977: Mar 221978: Mar 121979: Mar 51980: Mar 181981: Mar 191982: Mar 71983: Apr 151984: Feb 281985: Feb 151986: Mar 211987: Apr 41988: Mar 191989: Apr 111990: Mar 201991: Feb 261992: Mar 111993: Mar 141994: Mar 101995: Mar 91996: Mar 261997: Apr 131998: Mar 121999: Mar 152000: Mar 122001: Mar 202002: Mar 262003: Apr 92005: Mar 182006: Mar 252010: Mar 232011: Mar 72012: Feb 262013: Mar 272014: Apr 162015: Mar 82016: Feb 272017: Jan 282018: Feb 132019: Mar 72020: Feb 282021: Feb 212022: Mar 132023: Mar 192024: Feb 192025: Apr 6

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 2619601970198019902000201020201951: Nov 21952: Nov 111953: Nov 91954: Nov 51956: Nov 91957: Oct 271958: Nov 291959: Nov 61960: Nov 101961: Dec 121962: Dec 61963: Nov 21964: Nov 211965: Nov 301966: Nov 21967: Nov 41968: Nov 91969: Nov 151970: Nov 31971: Nov 241972: Nov 171973: Dec 51974: Nov 251976: Oct 201977: Nov 101978: Nov 171979: Nov 131980: Oct 301981: Dec 51982: Nov 41983: Nov 111984: Nov 211985: Dec 11986: Nov 131987: Nov 111988: Nov 161990: Nov 51991: Nov 11992: Nov 51993: Oct 301994: Nov 301995: Nov 291996: Nov 241997: Nov 111999: Nov 32000: Nov 92001: Nov 202002: Nov 272003: Nov 242004: Nov 252005: Oct 242006: Nov 212008: Oct 292009: Dec 32010: Nov 262011: Nov 42012: Oct 282013: Nov 132014: Nov 122015: Nov 222016: Nov 202017: Oct 282018: Nov 132019: Oct 312020: Dec 42021: Dec 72022: Nov 132023: Nov 12024: Nov 262025: Nov 11

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
2025Apr 6Nov 11Feb 22Dec 2
2024Feb 19Nov 26Feb 19Nov 26
2023Mar 19Nov 1Feb 19none
2022Mar 13Nov 13Mar 13Nov 13
2021Feb 21Dec 7Feb 21Dec 12
2020Feb 28Dec 4Feb 28Dec 26
2019Mar 7Oct 31Mar 7Nov 12
2018Feb 13Nov 13Feb 13Nov 14
2017Jan 28Oct 28Jan 28Oct 28
2016Feb 27Nov 20Feb 5Dec 9
2015Mar 8Nov 22Mar 7Nov 22
2014Apr 16Nov 12Mar 6Nov 14
2013Mar 27Nov 13Mar 27Nov 13
2012Feb 26Oct 28Feb 13Dec 11
2011Mar 7Nov 4Mar 7Nov 4
2010Mar 23Nov 26Feb 24Nov 27
2009no dataDec 3no dataDec 5
2008no dataOct 29no dataDec 5
2006Mar 25Nov 21Mar 25Dec 1
2005Mar 18Oct 24Jan 17Nov 17
2004no dataNov 25no dataDec 14
2003Apr 9Nov 24Mar 30Nov 24
2002Mar 26Nov 27Mar 4Nov 28
2001Mar 20Nov 20Feb 10Nov 29
2000Mar 12Nov 9Feb 5Nov 14
1999Mar 15Nov 3Mar 15Dec 6
1998Mar 12no dataMar 11no data
1997Apr 13Nov 11Jan 30Nov 16
1996Mar 26Nov 24Mar 21Dec 18
1995Mar 9Nov 29Mar 8Nov 29
1994Mar 10Nov 30Mar 10Dec 26
1993Mar 14Oct 30Mar 14Oct 31
1992Mar 11Nov 5Feb 6Nov 5
1991Feb 26Nov 1Feb 26Nov 3
1990Mar 20Nov 5Jan 29Dec 4
1989Apr 11no dataMar 9no data
1988Mar 19Nov 16Mar 19Dec 17
1987Apr 4Nov 11Apr 3Nov 11
1986Mar 21Nov 13Feb 12Nov 13
1985Feb 15Dec 1Feb 12Dec 1
1984Feb 28Nov 21Feb 28Dec 7
1983Apr 15Nov 11Mar 21Dec 15
1982Mar 7Nov 4Mar 7Nov 13
1981Mar 19Dec 5Mar 19Dec 18
1980Mar 18Oct 30Mar 3Oct 30
1979Mar 5Nov 13Mar 5Nov 23
1978Mar 12Nov 17Mar 4Dec 8
1977Mar 22Nov 10Feb 28Nov 10
1976Feb 23Oct 20Feb 23Nov 14
1975Mar 31no dataFeb 25no data
1974no dataNov 25no dataNov 30
1973Apr 10Dec 5Feb 17Dec 11
1972Mar 2Nov 17Feb 9Nov 23
1971Apr 7Nov 24Apr 7none
1970Apr 2Nov 3Feb 10Nov 24
1969Mar 27Nov 15Mar 12Nov 15
1968Mar 24Nov 9Mar 24Nov 19
1967Mar 9Nov 4Mar 9Dec 22
1966Mar 25Nov 2Mar 7Nov 2
1965Mar 27Nov 30Mar 21none
1964Mar 27Nov 21Feb 23Nov 22
1963Mar 6Nov 2Feb 23Nov 24
1962Mar 7Dec 6Mar 2Dec 12
1961Feb 9Dec 12Jan 31Dec 12
1960Mar 18Nov 10Mar 4Dec 16
1959Feb 21Nov 6Feb 7Nov 6
1958no dataNov 29no dataNov 29
1957Apr 13Oct 27Mar 8Dec 11
1956no dataNov 9no dataNov 27
1954Mar 15Nov 5Mar 15Dec 13
1953Feb 23Nov 9Feb 23Dec 22
1952Mar 24Nov 11Mar 24Dec 14
1951no dataNov 2no dataNov 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.