Last Frost Day

Frost history / Balmorhea, TX

Balmorhea, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00410498, 1951 to 2020, measured from daily minimum temperatures.

Elevation 3,220 ft, 30.984, -103.740. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 26Nov 8
EarliestFeb 28 (2020)Oct 8 (1976)
LatestMay 1 (2017)Dec 8 (1998)
Trend0.9 days earlier per decadelittle change (less than half a day per decade)
Years with data5455

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

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)

Feb 14Mar 1Mar 16Mar 31Apr 15Apr 30May 1519601970198019902000201020201951: Apr 131952: Apr 101953: Mar 151954: Mar 171955: Mar 281956: Apr 101957: Mar 261958: Mar 201959: Apr 131960: Mar 171961: Apr 161962: Mar 311963: Mar 221965: Mar 251966: Mar 231967: Mar 91968: Mar 211969: Mar 261970: Mar 281971: Mar 81976: Mar 221977: Mar 271978: Apr 101979: Apr 41980: Apr 131981: Mar 231982: Mar 61984: Mar 301985: Mar 311986: Mar 211987: Apr 41988: Mar 301989: Apr 111990: Mar 251991: Mar 311992: Mar 131993: Mar 141994: Apr 71996: Apr 61997: Apr 151998: Mar 221999: Apr 172000: Mar 192001: Mar 162002: Mar 302005: Mar 282010: Mar 252011: Mar 102012: Mar 122015: Mar 62017: May 12018: Mar 82019: Apr 22020: Feb 28

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11Dec 2619601970198019902000201020201951: Nov 21952: Nov 51953: Nov 81954: Nov 51955: Nov 31956: Oct 261957: Nov 81958: Nov 181959: Nov 61960: Nov 101961: Nov 31962: Nov 81963: Nov 231965: Nov 291966: Oct 151967: Nov 31968: Nov 81969: Nov 31970: Nov 151971: Nov 191975: Nov 121976: Oct 81977: Nov 11978: Dec 41979: Oct 311980: Oct 241981: Nov 91983: Nov 101984: Nov 191985: Nov 201986: Nov 131987: Nov 101988: Nov 151989: Oct 181990: Nov 81991: Oct 311992: Nov 51993: Oct 301994: Nov 101995: Nov 111996: Oct 221997: Nov 111998: Dec 81999: Nov 242001: Nov 282005: Nov 162009: Nov 162010: Nov 132011: Oct 292012: Oct 282014: Nov 122016: Nov 192017: Oct 272018: Nov 132020: 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
2020Feb 28Oct 26Feb 28Oct 26
2019Apr 2no dataMar 17no data
2018Mar 8Nov 13Mar 8Nov 13
2017May 1Oct 27Feb 26Nov 19
2016no dataNov 19no dataDec 1
2015Mar 6no dataMar 6no data
2014no dataNov 12no dataNov 13
2012Mar 12Oct 28Mar 12Nov 12
2011Mar 10Oct 29Feb 13Nov 3
2010Mar 25Nov 13Mar 21Nov 13
2009no dataNov 16no dataNov 16
2005Mar 28Nov 16Feb 4Nov 16
2002Mar 30no dataMar 7no data
2001Mar 16Nov 28Mar 16Nov 28
2000Mar 19no dataFeb 6no data
1999Apr 17Nov 24Mar 19Nov 24
1998Mar 22Dec 8Mar 20Dec 8
1997Apr 15Nov 11Apr 14Nov 11
1996Apr 6Oct 22Mar 20Nov 25
1995no dataNov 11no dataDec 9
1994Apr 7Nov 10Apr 7Nov 28
1993Mar 14Oct 30Mar 14Oct 30
1992Mar 13Nov 5Mar 12Nov 13
1991Mar 31Oct 31Mar 31Nov 1
1990Mar 25Nov 8Feb 21Nov 29
1989Apr 11Oct 18Mar 7Nov 1
1988Mar 30Nov 15Mar 18Nov 16
1987Apr 4Nov 10Apr 4Nov 10
1986Mar 21Nov 13Feb 28Nov 13
1985Mar 31Nov 20Feb 15Nov 20
1984Mar 30Nov 19Mar 10Nov 27
1983no dataNov 10no dataNov 27
1982Mar 6no dataMar 6no data
1981Mar 23Nov 9Feb 15Dec 1
1980Apr 13Oct 24Apr 6Oct 29
1979Apr 4Oct 31Apr 4Nov 1
1978Apr 10Dec 4Mar 15Dec 4
1977Mar 27Nov 1Mar 13Nov 8
1976Mar 22Oct 8Feb 22Oct 20
1975no dataNov 12no dataNov 13
1971Mar 8Nov 19Mar 7Nov 19
1970Mar 28Nov 15Mar 13Nov 15
1969Mar 26Nov 3Mar 25Nov 3
1968Mar 21Nov 8Feb 23Nov 10
1967Mar 9Nov 3Mar 9Nov 3
1966Mar 23Oct 15Mar 6Nov 28
1965Mar 25Nov 29Mar 21Nov 29
1963Mar 22Nov 23Mar 7Nov 23
1962Mar 31Nov 8Mar 16Nov 19
1961Apr 16Nov 3Mar 20Nov 15
1960Mar 17Nov 10Mar 12Nov 10
1959Apr 13Nov 6Mar 17Nov 6
1958Mar 20Nov 18Feb 28Nov 19
1957Mar 26Nov 8Jan 28Nov 22
1956Apr 10Oct 26Mar 16Nov 4
1955Mar 28Nov 3Mar 28Nov 3
1954Mar 17Nov 5Mar 14Nov 6
1953Mar 15Nov 8Mar 5Nov 13
1952Apr 10Nov 5Mar 28Nov 19
1951Apr 13Nov 2Mar 20Nov 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.