Last Frost Day

Frost history / Cerro, NM

Cerro, NM: frost dates by year

Last spring and first fall frost at NOAA station USC00291630, 1951 to 2022, measured from daily minimum temperatures.

Elevation 7,650 ft, 36.741, -105.596. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 29Sep 25
EarliestMay 10 (1958)Sep 2 (1973)
LatestJul 10 (2019)Oct 14 (2015)
Trend1.2 days later per decadelittle change (less than half a day per decade)
Years with data5750

At 28°F (hard freeze) the median last spring date is May 18 and the median first fall date is Oct 1.

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)

Apr 30May 15May 30Jun 14Jun 29Jul 14Jul 2919601970198019902000201020201951: Jun 71952: May 231953: Jun 51954: Jun 81955: Jun 101956: May 161957: Jun 171958: May 101959: May 231960: May 261961: May 141962: Jun 171963: May 141964: May 121965: May 281966: May 191967: May 211968: Jun 91969: Jun 121970: Jun 21971: Jun 61972: May 241973: Jun 31976: May 231977: May 221979: Jun 211981: May 231983: Jun 141984: May 191986: May 271992: Jun 181993: Jun 101994: May 111995: Jun 101996: May 271997: May 271998: Jun 181999: Jun 92000: May 202001: Jun 152002: May 252003: May 122004: Jun 122006: May 122007: May 312008: Jun 132009: Jun 92010: Jun 142012: Jun 22015: May 292016: May 282017: May 282018: May 162019: Jul 102020: Jul 62021: May 242022: May 31

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 2719601970198019902000201020201951: Sep 131952: Oct 71953: Sep 91954: Oct 141955: Sep 211956: Oct 21957: Sep 121958: Oct 31959: Sep 81960: Oct 51961: Sep 251962: Sep 101963: Oct 141964: Oct 81965: Sep 211966: Oct 71967: Sep 281968: Sep 171969: Oct 51970: Sep 71971: Sep 51972: Sep 301973: Sep 21976: Sep 291990: Oct 41992: Sep 271993: Sep 141995: Sep 221996: Sep 271997: Oct 81998: Oct 51999: Sep 282000: Sep 252001: Sep 92003: Sep 112004: Sep 232005: Sep 132006: Sep 172007: Sep 252008: Sep 132009: Sep 222011: Oct 72014: Sep 302015: Oct 142016: Sep 242017: Sep 252018: Oct 62019: Sep 222020: Sep 102021: Sep 21

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
2022May 31no dataMay 25no data
2021May 24Sep 21May 24Oct 11
2020Jul 6Sep 10Jul 1Sep 29
2019Jul 10Sep 22Jun 1Oct 3
2018May 16Oct 6May 4Oct 9
2017May 28Sep 25May 28Oct 7
2016May 28Sep 24May 28Sep 24
2015May 29Oct 14May 20Oct 27
2014no dataSep 30no dataOct 1
2012Jun 2no dataJun 2no data
2011no dataOct 7no dataOct 8
2010Jun 14no dataMay 25no data
2009Jun 9Sep 22May 3Sep 22
2008Jun 13Sep 13Jun 13Oct 7
2007May 31Sep 25May 9Sep 25
2006May 12Sep 17May 11Sep 17
2005no dataSep 13no dataSep 15
2004Jun 12Sep 23May 14Sep 23
2003May 12Sep 11May 11Oct 14
2002May 25no dataMay 23no data
2001Jun 15Sep 9Jun 15Sep 9
2000May 20Sep 25May 18Sep 25
1999Jun 9Sep 28May 12Sep 29
1998Jun 18Oct 5May 23Oct 5
1997May 27Oct 8May 3Oct 9
1996May 27Sep 27May 27Sep 27
1995Jun 10Sep 22May 18Oct 2
1994May 11no dataMay 4no data
1993Jun 10Sep 14May 11Sep 25
1992Jun 18Sep 27May 11Sep 27
1990no dataOct 4no dataOct 9
1986May 27no dataMay 18no data
1984May 19no dataMay 8no data
1983Jun 14no dataJun 14no data
1981May 23no dataMay 21no data
1979Jun 21no dataJun 9no data
1977May 22no dataMay 21no data
1976May 23Sep 29May 10Sep 29
1973Jun 3Sep 2May 27Sep 26
1972May 24Sep 30May 23Sep 30
1971Jun 6Sep 5Jun 5Sep 18
1970Jun 2Sep 7May 14Sep 26
1969Jun 12Oct 5May 10Oct 5
1968Jun 9Sep 17May 18Sep 17
1967May 21Sep 28May 15Oct 7
1966May 19Oct 7May 13Oct 14
1965May 28Sep 21May 28Sep 21
1964May 12Oct 8May 12Oct 12
1963May 14Oct 14May 14Oct 15
1962Jun 17Sep 10May 17Oct 13
1961May 14Sep 25May 14Sep 25
1960May 26Oct 5May 25Oct 14
1959May 23Sep 8Apr 28Sep 25
1958May 10Oct 3Apr 28Oct 16
1957Jun 17Sep 12May 22Sep 19
1956May 16Oct 2May 15Oct 13
1955Jun 10Sep 21May 18Oct 6
1954Jun 8Oct 14Jun 7Oct 14
1953Jun 5Sep 9May 18Sep 9
1952May 23Oct 7Apr 16Oct 7
1951Jun 7Sep 13Jun 2Sep 16

"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.