Last Frost Day

Frost history / Grapevine Dam, TX

Grapevine Dam, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00413691, 1953 to 2019, measured from daily minimum temperatures.

Elevation 585 ft, 32.951, -97.055. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 22Nov 12
EarliestJan 30 (2017)Oct 20 (1989)
LatestApr 15 (2014)Dec 18 (1971)
Trend1.0 days earlier per decadelittle change (less than half a day per decade)
Years with data5755

At 28°F (hard freeze) the median last spring date is Mar 6 and the median first fall date is Nov 29.

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 301960197019801990200020101954: Apr 11955: Mar 281956: Mar 161957: Apr 141958: Mar 151959: Mar 221960: Mar 191961: Feb 251962: Mar 161963: Mar 61964: Mar 271965: Mar 271966: Mar 241967: Mar 91968: Mar 231969: Mar 131970: Mar 221971: Mar 271972: Mar 41973: Apr 101974: Mar 251975: Apr 31976: Feb 231977: Mar 131978: Mar 121980: Mar 181982: Mar 71983: Apr 151984: Mar 291985: Feb 161986: Mar 211987: Apr 31988: Mar 191989: Apr 151990: Mar 261991: Mar 31992: Mar 251993: Apr 21994: Apr 71996: Mar 261997: Apr 131998: Apr 121999: Mar 152000: Mar 182001: Mar 22002: Mar 232005: Mar 262010: Mar 222011: Mar 62012: Feb 122013: Mar 262014: Apr 152015: Mar 82016: Feb 72017: Jan 302018: Apr 82019: Apr 1

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 261960197019801990200020101953: Nov 91954: Nov 51955: Nov 31956: Nov 91957: Oct 271958: Nov 191959: Nov 61960: Nov 101961: Dec 111962: Dec 61963: Nov 21964: Nov 201965: Dec 81966: Nov 21967: Dec 31968: Nov 91969: Nov 151970: Nov 121971: Dec 181972: Nov 221973: Dec 71974: Nov 301975: Nov 131976: Nov 51977: Nov 101978: Nov 281979: Nov 231980: Oct 301982: Nov 131983: Nov 241984: Nov 221985: Nov 201986: Nov 111987: Nov 111988: Nov 171989: Oct 201990: Nov 51991: Nov 21992: Nov 51993: Oct 301994: Nov 281995: Nov 31996: Nov 91997: Nov 111998: Nov 61999: Nov 32001: Nov 222002: Nov 272009: Dec 42012: Nov 132014: Nov 122015: Nov 222016: Nov 202017: Dec 82018: Nov 10

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
2019Apr 1no dataMar 6no data
2018Apr 8Nov 10Feb 13Nov 13
2017Jan 30Dec 8Jan 30Dec 8
2016Feb 7Nov 20Feb 7Dec 9
2015Mar 8Nov 22Mar 7Nov 22
2014Apr 15Nov 12Mar 5Nov 13
2013Mar 26no dataMar 26no data
2012Feb 12Nov 13Feb 12Dec 11
2011Mar 6no dataFeb 12no data
2010Mar 22no dataFeb 18no data
2009no dataDec 4no dataDec 5
2005Mar 26no dataMar 26no data
2002Mar 23Nov 27Mar 22Nov 27
2001Mar 2Nov 22Mar 1Nov 29
2000Mar 18no dataFeb 6no data
1999Mar 15Nov 3Mar 15Nov 3
1998Apr 12Nov 6Mar 13Dec 22
1997Apr 13Nov 11Jan 30Nov 16
1996Mar 26Nov 9Mar 21Dec 18
1995no dataNov 3no dataNov 11
1994Apr 7Nov 28Mar 10Nov 30
1993Apr 2Oct 30Mar 14Oct 30
1992Mar 25Nov 5Mar 11Nov 5
1991Mar 3Nov 2Feb 16Nov 2
1990Mar 26Nov 5Jan 29Dec 4
1989Apr 15Oct 20Mar 22Nov 23
1988Mar 19Nov 17Mar 19Nov 28
1987Apr 3Nov 11Mar 31Dec 15
1986Mar 21Nov 11Feb 16Nov 13
1985Feb 16Nov 20Feb 13Dec 1
1984Mar 29Nov 22Feb 28Dec 7
1983Apr 15Nov 24Feb 8Nov 28
1982Mar 7Nov 13Mar 7Nov 13
1980Mar 18Oct 30Mar 6Nov 19
1979no dataNov 23no dataNov 23
1978Mar 12Nov 28Mar 5Dec 4
1977Mar 13Nov 10Feb 27Dec 6
1976Feb 23Nov 5Feb 8Nov 22
1975Apr 3Nov 13Mar 15Nov 23
1974Mar 25Nov 30Feb 26Nov 30
1973Apr 10Dec 7Feb 17Dec 10
1972Mar 4Nov 22Feb 9Dec 4
1971Mar 27Dec 18Mar 26none
1970Mar 22Nov 12Feb 10Nov 16
1969Mar 13Nov 15Mar 11Dec 30
1968Mar 23Nov 9Mar 23Nov 12
1967Mar 9Dec 3Mar 9Dec 3
1966Mar 24Nov 2Mar 6Dec 11
1965Mar 27Dec 8Mar 26none
1964Mar 27Nov 20Mar 26Nov 22
1963Mar 6Nov 2Mar 6Nov 24
1962Mar 16Dec 6Mar 15Dec 12
1961Feb 25Dec 11Feb 8Dec 12
1960Mar 19Nov 10Mar 17Nov 30
1959Mar 22Nov 6Feb 20Nov 7
1958Mar 15Nov 19Feb 17Nov 29
1957Apr 14Oct 27Mar 8Dec 11
1956Mar 16Nov 9Mar 13Nov 17
1955Mar 28Nov 3Mar 27Nov 9
1954Apr 1Nov 5Mar 15Dec 7
1953no dataNov 9no dataDec 15

"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.