Last Frost Day

Frost history / Big Spring, TX

Big Spring, TX: frost dates by year

Last spring and first fall frost at NOAA station USW00023041, 1951 to 2020, measured from daily minimum temperatures.

Elevation 2,510 ft, 32.244, -101.454. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 22Nov 12
EarliestFeb 5 (2005)Oct 19 (1989)
LatestMay 14 (1971)Dec 9 (1954)
Trend2.5 days earlier per decadelittle change (less than half a day per decade)
Years with data5257

At 28°F (hard freeze) the median last spring date is Mar 13 and the median first fall date is Nov 22.

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 30Feb 14Mar 1Mar 16Mar 31Apr 15Apr 30May 15May 3019601970198019902000201020201951: Apr 121952: Apr 101953: Mar 51954: Mar 151955: Mar 281956: Mar 171957: Apr 141959: Apr 141961: Mar 11962: Mar 161963: Mar 151965: Mar 261966: Mar 231967: Mar 161968: Mar 221969: Mar 261970: Apr 51971: May 141972: Apr 11973: Apr 111974: Mar 261975: Apr 31976: Mar 311979: Mar 51980: Mar 61981: Feb 141983: Apr 91987: Apr 31988: Mar 201989: Mar 241990: Mar 261991: Feb 271992: Apr 31993: Mar 141994: Apr 81995: Mar 81997: Apr 141998: Mar 211999: Mar 152001: Mar 172002: Mar 272003: Mar 72004: Feb 272005: Feb 52008: Mar 92010: Mar 222011: Feb 262012: Mar 112016: Apr 22017: Feb 262018: Apr 72019: Mar 18

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 2619601970198019902000201020201951: Nov 11952: Nov 101953: Nov 221954: Dec 91955: Oct 251956: Nov 91957: Oct 261958: Nov 191959: Nov 61960: Nov 101961: Nov 151962: Nov 181964: Nov 201965: Nov 291966: Nov 21967: Dec 31968: Nov 81969: Nov 191970: Nov 31971: Nov 191972: Nov 101973: Nov 171975: Nov 131976: Nov 121977: Nov 101979: Nov 31980: Oct 291981: Nov 101982: Nov 131985: Nov 201986: Nov 111987: Nov 101988: Nov 201989: Oct 191990: Nov 81991: Oct 311993: Oct 301994: Nov 281995: Nov 31997: Nov 111998: Dec 81999: Nov 252000: Nov 82004: Nov 302005: Nov 162007: Nov 222008: Nov 162009: Nov 172010: Nov 132011: Nov 42012: Nov 122015: Nov 222016: Nov 192017: Dec 72018: Nov 102019: Oct 262020: Oct 26

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
2020no dataOct 26no dataOct 26
2019Mar 18Oct 26Mar 5Oct 30
2018Apr 7Nov 10Mar 12Nov 10
2017Feb 26Dec 7Feb 14Dec 7
2016Apr 2Nov 19Apr 2Dec 8
2015no dataNov 22no dataNov 22
2012Mar 11Nov 12Feb 13Dec 10
2011Feb 26Nov 4Feb 26Nov 27
2010Mar 22Nov 13Mar 22Nov 26
2009no dataNov 17no dataDec 4
2008Mar 9Nov 16Mar 9Nov 21
2007no dataNov 22no dataNov 23
2005Feb 5Nov 16Feb 4Nov 17
2004Feb 27Nov 30Feb 27Dec 15
2003Mar 7no dataMar 6no data
2002Mar 27no dataMar 23no data
2001Mar 17no dataMar 1no data
2000no dataNov 8no dataDec 12
1999Mar 15Nov 25Feb 14Nov 26
1998Mar 21Dec 8Mar 13Dec 8
1997Apr 14Nov 11Apr 13Nov 15
1995Mar 8Nov 3Mar 8Nov 29
1994Apr 8Nov 28Mar 11Dec 1
1993Mar 14Oct 30Mar 14Oct 30
1992Apr 3no dataMar 10no data
1991Feb 27Oct 31Feb 21Oct 31
1990Mar 26Nov 8Mar 26Dec 4
1989Mar 24Oct 19Mar 24Nov 2
1988Mar 20Nov 20Mar 20Nov 20
1987Apr 3Nov 10Mar 31Nov 11
1986no dataNov 11no dataNov 13
1985no dataNov 20no dataDec 1
1983Apr 9no dataMar 21no data
1982no dataNov 13no dataNov 15
1981Feb 14Nov 10Feb 12Dec 17
1980Mar 6Oct 29Mar 3Nov 18
1979Mar 5Nov 3Mar 4Nov 22
1977no dataNov 10no dataDec 6
1976Mar 31Nov 12Feb 23Nov 13
1975Apr 3Nov 13Mar 31Nov 21
1974Mar 26no dataMar 25no data
1973Apr 11Nov 17Apr 9Nov 28
1972Apr 1Nov 10Apr 1Nov 22
1971May 14Nov 19Apr 6Dec 4
1970Apr 5Nov 3Mar 13Nov 15
1969Mar 26Nov 19Mar 13Nov 19
1968Mar 22Nov 8Mar 22Dec 10
1967Mar 16Dec 3Mar 8Dec 3
1966Mar 23Nov 2Mar 6Nov 2
1965Mar 26Nov 29Mar 26Dec 19
1964no dataNov 20no dataNov 21
1963Mar 15no dataMar 6no data
1962Mar 16Nov 18Mar 16Dec 12
1961Mar 1Nov 15Feb 9Dec 11
1960no dataNov 10no dataNov 10
1959Apr 14Nov 6Feb 21Nov 6
1958no dataNov 19no dataNov 29
1957Apr 14Oct 26Apr 13Nov 22
1956Mar 17Nov 9Mar 16Nov 17
1955Mar 28Oct 25Mar 27Nov 17
1954Mar 15Dec 9Mar 15Dec 13
1953Mar 5Nov 22Mar 4Nov 22
1952Apr 10Nov 10Mar 23Nov 26
1951Apr 12Nov 1Mar 19Nov 2

"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.