Last Frost Day

Frost history / Organ Pipe Cactus Nm, AZ

Organ Pipe Cactus Nm, AZ: frost dates by year

Last spring and first fall frost at NOAA station USC00026132, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,678 ft, 31.956, -112.800. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianFeb 21Dec 6
EarliestJan 3 (2015)Oct 21 (1996)
LatestMay 4 (1969)Dec 28 (2018)
Trend5.5 days earlier per decade2.1 days later per decade
Years with data68, 1 with no freeze66, 5 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 1 and the median first fall date is Dec 14.

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 16Dec 31Jan 15Jan 30Feb 14Mar 1Mar 16Mar 31Apr 15Apr 30May 1519601970198019902000201020201951: Mar 41952: Mar 41953: Feb 241954: Jan 151955: Mar 211956: Feb 281957: Jan 221958: Mar 81959: Feb 101960: Feb 251961: Feb 61962: Mar 151963: Mar 161964: Mar 101965: Mar 61966: Mar 31967: Mar 81968: Mar 201969: May 41970: May 21971: Mar 51972: Feb 141973: Mar 311974: Mar 101975: Feb 231976: Mar 51977: Mar 191978: Feb 251979: Mar 31980: Mar 101981: Feb 51982: Feb 31983: Apr 51984: Feb 251985: Mar 51986: Feb 111987: Feb 211988: Jan 201989: Feb 71990: Feb 201991: Jan 301992: Jan 171993: Jan 41994: Feb 31995: Jan 191996: Jan 261997: Feb 91998: Mar 301999: Jan 272000: Jan 92001: Feb 152002: Feb 72003: Feb 92004: Feb 102005: Jan 132006: Feb 132007: Feb 252009: Feb 112013: Feb 272014: Feb 62015: Jan 32018: Feb 262019: Feb 232022: Jan 32023: Feb 152024: Jan 122025: Jan 30

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 26Jan 1019601970198019902000201020201951: Dec 71952: Nov 251953: Nov 191954: Dec 111955: Nov 161956: Nov 41957: Dec 11958: Nov 171959: Dec 151960: Dec 41961: Dec 141962: Dec 281963: Dec 111964: Nov 161965: Dec 211966: Dec 111967: Nov 301968: Dec 51969: Dec 81970: Nov 301971: Nov 171972: Dec 61973: Nov 201974: Nov 301975: Nov 291976: Nov 281978: Dec 31979: Oct 311981: Dec 251982: Dec 31983: Nov 221984: Nov 281985: Dec 101986: Dec 121987: Dec 141988: Dec 241989: Dec 131990: Dec 181991: Nov 291992: Dec 131993: Dec 141994: Nov 201996: Oct 211997: Dec 101998: Dec 61999: Dec 72000: Nov 92001: Dec 132002: Dec 192003: Nov 242004: Nov 302005: Dec 72007: Dec 142008: Dec 272009: Dec 52010: Nov 232013: Dec 62014: Dec 272018: Dec 282019: Dec 182024: Dec 27

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
2025Jan 30no dataJan 13no data
2024Jan 12Dec 27Jan 12none
2023Feb 15noneJan 24none
2022Jan 3nonenonenone
2021no datanoneno datanone
2019Feb 23Dec 18Feb 20none
2018Feb 26Dec 28noneDec 31
2017no datanoneno datanone
2015Jan 3no dataJan 3no data
2014Feb 6Dec 27nonenone
2013Feb 27Dec 6Feb 12none
2010noneNov 23noneDec 31
2009Feb 11Dec 5Feb 11Dec 26
2008no dataDec 27no dataDec 31
2007Feb 25Dec 14Feb 16Dec 28
2006Feb 13no dataFeb 13no data
2005Jan 13Dec 7noneDec 7
2004Feb 10Nov 30nonenone
2003Feb 9Nov 24noneDec 29
2002Feb 7Dec 19Jan 31Dec 20
2001Feb 15Dec 13noneDec 14
2000Jan 9Nov 9nonenone
1999Jan 27Dec 7nonenone
1998Mar 30Dec 6noneDec 22
1997Feb 9Dec 10Jan 8none
1996Jan 26Oct 21Jan 25none
1995Jan 19no datanoneno data
1994Feb 3Nov 20Jan 31Nov 20
1993Jan 4Dec 14Jan 4none
1992Jan 17Dec 13noneDec 17
1991Jan 30Nov 29noneDec 2
1990Feb 20Dec 18Feb 17Dec 23
1989Feb 7Dec 13Jan 15none
1988Jan 20Dec 24noneDec 27
1987Feb 21Dec 14Jan 19Dec 14
1986Feb 11Dec 12Feb 11Dec 12
1985Mar 5Dec 10Mar 5Dec 10
1984Feb 25Nov 28Jan 22none
1983Apr 5Nov 22Jan 22Nov 23
1982Feb 3Dec 3Feb 3Dec 27
1981Feb 5Dec 25Feb 4none
1980Mar 10no datanoneno data
1979Mar 3Oct 31Feb 6Nov 20
1978Feb 25Dec 3Jan 25Dec 7
1977Mar 19noneMar 3none
1976Mar 5Nov 28Jan 7Dec 24
1975Feb 23Nov 29Jan 2none
1974Mar 10Nov 30Jan 4Dec 11
1973Mar 31Nov 20Jan 21Dec 22
1972Feb 14Dec 6Feb 1Dec 12
1971Mar 5Nov 17Mar 5Dec 9
1970May 2Nov 30Jan 1Dec 21
1969May 4Dec 8Feb 1Dec 30
1968Mar 20Dec 5Jan 6Dec 5
1967Mar 8Nov 30noneDec 11
1966Mar 3Dec 11Jan 26Dec 30
1965Mar 6Dec 21Feb 15none
1964Mar 10Nov 16Feb 27Dec 15
1963Mar 16Dec 11Jan 22Dec 16
1962Mar 15Dec 28Mar 15none
1961Feb 6Dec 14nonenone
1960Feb 25Dec 4Feb 25Dec 6
1959Feb 10Dec 15Feb 4none
1958Mar 8Nov 17Jan 24Nov 17
1957Jan 22Dec 1nonenone
1956Feb 28Nov 4Feb 17none
1955Mar 21Nov 16Mar 21none
1954Jan 15Dec 11Jan 4Dec 13
1953Feb 24Nov 19Feb 21Dec 6
1952Mar 4Nov 25Feb 16Dec 6
1951Mar 4Dec 7Mar 4Dec 7

"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.