Last Frost Day

Frost history / Cordes, AZ

Cordes, AZ: frost dates by year

Last spring and first fall frost at NOAA station USC00022109, 1951 to 2025, measured from daily minimum temperatures.

Elevation 3,771 ft, 34.305, -112.165. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 7Nov 14
EarliestFeb 17 (1992)Oct 22 (1996)
LatestMay 8 (1986)Dec 16 (2002)
Trend2.5 days earlier per decade1.1 days later per decade
Years with data7370

At 28°F (hard freeze) the median last spring date is Mar 17 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 30Feb 14Mar 1Mar 16Mar 31Apr 15Apr 30May 1519601970198019902000201020201951: Apr 11952: Mar 241953: Apr 131954: Mar 261955: Apr 191956: Apr 31957: Apr 221958: Apr 71959: Mar 91960: Apr 291961: Mar 291962: Mar 241963: Apr 191964: May 51965: May 81966: Apr 201967: May 11968: Apr 201969: Mar 161970: Apr 291971: Apr 221972: Apr 191973: Apr 211974: Apr 141975: May 61976: Apr 181977: Apr 41978: Apr 91979: Apr 111980: Apr 241981: Apr 41982: Apr 21983: Apr 141984: Apr 271985: Mar 301986: May 81987: Apr 51988: May 71989: Mar 51990: Mar 161991: May 31992: Feb 171993: Mar 31994: Mar 271995: Apr 171996: Mar 241997: Apr 121998: Apr 171999: Apr 302000: Mar 212001: Apr 112002: Mar 172003: Apr 42005: Apr 102006: Apr 62007: Apr 202008: Mar 312009: Apr 162010: Apr 302011: Apr 102012: Mar 202013: Mar 92015: Mar 52016: Mar 302017: Mar 12018: Mar 262019: Mar 222020: Apr 92021: Mar 242022: Mar 112023: Apr 52024: Apr 72025: Apr 4

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 2619601970198019902000201020201951: Nov 251952: Nov 171953: Nov 191955: Nov 161956: Oct 301957: Nov 51958: Nov 161959: Oct 301960: Nov 141961: Oct 291962: Nov 181963: Nov 221964: Nov 151965: Nov 261966: Nov 101967: Nov 301968: Nov 271969: Nov 181970: Oct 261971: Oct 291972: Oct 311973: Nov 21974: Nov 21976: Nov 141977: Nov 81978: Nov 151979: Nov 91980: Nov 171981: Nov 261982: Nov 121983: Nov 201984: Oct 231985: Nov 131986: Nov 71987: Nov 161988: Nov 151989: Nov 271990: Nov 61991: Oct 291992: Nov 41993: Nov 141994: Nov 51995: Nov 281996: Oct 221997: Nov 151998: Nov 101999: Nov 222001: Nov 262002: Dec 162004: Nov 232005: Nov 272006: Nov 292007: Nov 252008: Nov 102009: Oct 282010: Nov 102011: Nov 62012: Nov 112013: Nov 252014: Nov 172015: Nov 52016: Nov 292017: Dec 152018: Nov 122019: Oct 292021: Dec 112022: Nov 42023: Nov 262024: Nov 72025: Dec 4

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 4Dec 4Mar 4none
2024Apr 7Nov 7Apr 6Nov 16
2023Apr 5Nov 26Apr 5none
2022Mar 11Nov 4Mar 11Nov 12
2021Mar 24Dec 11Mar 14Dec 11
2020Apr 9no dataMar 28no data
2019Mar 22Oct 29Mar 14Oct 29
2018Mar 26Nov 12Feb 27Nov 13
2017Mar 1Dec 15Feb 25Dec 20
2016Mar 30Nov 29Feb 5Nov 29
2015Mar 5Nov 5Jan 23Nov 27
2014no dataNov 17no dataDec 24
2013Mar 9Nov 25Feb 27Dec 5
2012Mar 20Nov 11Mar 1Nov 11
2011Apr 10Nov 6Apr 10Dec 4
2010Apr 30Nov 10Apr 2Nov 10
2009Apr 16Oct 28Apr 16Dec 4
2008Mar 31Nov 10Mar 17Dec 19
2007Apr 20Nov 25Mar 4Dec 15
2006Apr 6Nov 29Mar 22Nov 30
2005Apr 10Nov 27Mar 15Nov 27
2004no dataNov 23no dataNov 29
2003Apr 4no dataApr 4no data
2002Mar 17Dec 16Mar 17Dec 19
2001Apr 11Nov 26Apr 11Nov 27
2000Mar 21no dataJan 30no data
1999Apr 30Nov 22Apr 5Nov 22
1998Apr 17Nov 10Mar 31Nov 10
1997Apr 12Nov 15Mar 2Nov 30
1996Mar 24Oct 22Feb 28Dec 1
1995Apr 17Nov 28Apr 16Dec 16
1994Mar 27Nov 5Feb 23Nov 17
1993Mar 3Nov 14Feb 22Nov 26
1992Feb 17Nov 4Jan 15Nov 24
1991May 3Oct 29Mar 15Oct 29
1990Mar 16Nov 6Mar 15Nov 27
1989Mar 5Nov 27Mar 4Nov 28
1988May 7Nov 15Mar 18Nov 16
1987Apr 5Nov 16Mar 30Nov 27
1986May 8Nov 7Feb 12Dec 11
1985Mar 30Nov 13Mar 5Nov 14
1984Apr 27Oct 23Apr 27Oct 23
1983Apr 14Nov 20Apr 8Nov 22
1982Apr 2Nov 12Feb 9Dec 2
1981Apr 4Nov 26Feb 6Nov 26
1980Apr 24Nov 17Feb 9Nov 17
1979Apr 11Nov 9Apr 11Nov 20
1978Apr 9Nov 15Feb 18Dec 3
1977Apr 4Nov 8Apr 3none
1976Apr 18Nov 14Mar 5Nov 27
1975May 6no dataApr 2no data
1974Apr 14Nov 2Mar 10Dec 10
1973Apr 21Nov 2Mar 31Nov 21
1972Apr 19Oct 31Apr 14Nov 1
1971Apr 22Oct 29Apr 19Oct 30
1970Apr 29Oct 26Apr 28Dec 1
1969Mar 16Nov 18Mar 15Nov 18
1968Apr 20Nov 27Mar 18Dec 2
1967May 1Nov 30Apr 30Dec 12
1966Apr 20Nov 10Mar 5Nov 23
1965May 8Nov 26Apr 11Dec 16
1964May 5Nov 15Mar 25Nov 15
1963Apr 19Nov 22Apr 19Dec 11
1962Mar 24Nov 18Mar 19Dec 25
1961Mar 29Oct 29Mar 26Oct 30
1960Apr 29Nov 14Mar 17Nov 28
1959Mar 9Oct 30Mar 5Nov 27
1958Apr 7Nov 16Apr 5Nov 17
1957Apr 22Nov 5Feb 1Nov 28
1956Apr 3Oct 30Apr 3Nov 2
1955Apr 19Nov 16Apr 4Nov 16
1954Mar 26no dataMar 20no data
1953Apr 13Nov 19Apr 10Nov 19
1952Mar 24Nov 17Mar 23Nov 25
1951Apr 1Nov 25Mar 5Dec 5

"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.