Last Frost Day

Frost history / Alcalde, NM

Alcalde, NM: frost dates by year

Last spring and first fall frost at NOAA station USC00290245, 1953 to 2025, measured from daily minimum temperatures.

Elevation 5,680 ft, 36.091, -106.057. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 12Oct 7
EarliestApr 15 (1977)Sep 10 (1962)
LatestJun 8 (2007)Oct 24 (1972)
Trend0.6 days later per decade1.1 days later per decade
Years with data5954

At 28°F (hard freeze) the median last spring date is Apr 28 and the median first fall date is Oct 15.

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)

Mar 31Apr 15Apr 30May 15May 30Jun 1419601970198019902000201020201954: May 41955: May 111957: May 161958: Apr 281959: May 91960: May 251961: May 61962: May 171963: May 131964: May 101965: May 111966: May 131967: May 151968: May 161969: May 81970: May 91972: May 281973: May 31974: May 221975: May 241976: May 231977: Apr 151978: May 181979: May 131980: Apr 271981: May 231982: May 81984: May 81985: May 151986: May 121987: Apr 271988: May 91989: May 11990: May 191991: May 81992: Apr 242003: May 112004: May 142005: May 132006: Apr 302007: Jun 82008: May 162009: Apr 302010: May 122011: May 42012: May 282013: May 42014: May 162015: May 112016: May 122017: May 212018: May 52019: May 242020: May 222021: May 242022: May 132023: May 92024: May 72025: May 28

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201953: Sep 241954: Oct 151955: Sep 301957: Oct 81958: Oct 161959: Sep 231960: Oct 61961: Oct 11962: Sep 101963: Oct 61964: Oct 31965: Sep 211966: Oct 131967: Oct 121968: Sep 171969: Oct 71970: Sep 281971: Sep 181972: Oct 241973: Oct 121974: Sep 291975: Sep 291976: Sep 251977: Oct 91978: Oct 51979: Oct 61984: Oct 151985: Sep 241986: Oct 11987: Oct 71988: Oct 201989: Oct 181990: Oct 91991: Oct 42004: Oct 152005: Oct 122006: Sep 192007: Oct 82008: Oct 132009: Oct 22010: Oct 112011: Oct 102012: Oct 82013: Sep 292014: Oct 42015: Oct 142016: Oct 52017: Oct 72018: Sep 282019: Sep 232022: Oct 132023: Oct 112024: Oct 232025: Oct 19

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
2025May 28Oct 19May 28Oct 29
2024May 7Oct 23Apr 12Oct 30
2023May 9Oct 11Apr 29Oct 14
2022May 13Oct 13Apr 16Oct 25
2021May 24no dataApr 29no data
2020May 22no dataApr 23no data
2019May 24Sep 23Apr 15Oct 11
2018May 5Sep 28Apr 16Oct 20
2017May 21Oct 7Apr 30Oct 10
2016May 12Oct 5Apr 21Oct 5
2015May 11Oct 14Apr 23Oct 28
2014May 16Oct 4May 16Oct 14
2013May 4Sep 29May 4Oct 7
2012May 28Oct 8Apr 17Oct 8
2011May 4Oct 10May 3Oct 20
2010May 12Oct 11May 4Oct 26
2009Apr 30Oct 2Apr 27Oct 2
2008May 16Oct 13May 4Oct 13
2007Jun 8Oct 8Apr 23Oct 16
2006Apr 30Sep 19Apr 21Oct 19
2005May 13Oct 12Apr 21Oct 25
2004May 14Oct 15Apr 21Oct 24
2003May 11no dataMay 11no data
1992Apr 24no dataApr 21no data
1991May 8Oct 4May 3Oct 26
1990May 19Oct 9May 10Oct 9
1989May 1Oct 18Apr 28Oct 18
1988May 9Oct 20Apr 11Oct 24
1987Apr 27Oct 7Apr 15Oct 18
1986May 12Oct 1Apr 18Oct 22
1985May 15Sep 24Apr 1Sep 30
1984May 8Oct 15Apr 30Oct 19
1982May 8no dataApr 26no data
1981May 23no dataMar 31no data
1980Apr 27no dataApr 25no data
1979May 13Oct 6Apr 13Oct 22
1978May 18Oct 5May 7Oct 28
1977Apr 15Oct 9Apr 5Oct 10
1976May 23Sep 25May 2Oct 8
1975May 24Sep 29May 8Oct 9
1974May 22Sep 29May 21Sep 30
1973May 3Oct 12Apr 23Oct 26
1972May 28Oct 24May 3Oct 29
1971no dataSep 18no dataSep 21
1970May 9Sep 28May 3Sep 28
1969May 8Oct 7Apr 9Oct 7
1968May 16Sep 17Apr 29Oct 17
1967May 15Oct 12May 15Oct 16
1966May 13Oct 13Apr 21Oct 15
1965May 11Sep 21May 9Oct 28
1964May 10Oct 3Apr 24Oct 12
1963May 13Oct 6May 13Oct 15
1962May 17Sep 10May 1Oct 13
1961May 6Oct 1Apr 28Oct 1
1960May 25Oct 6May 25Oct 14
1959May 9Sep 23May 6Sep 25
1958Apr 28Oct 16Apr 24Oct 22
1957May 16Oct 8Apr 25Oct 24
1955May 11Sep 30Apr 28Oct 7
1954May 4Oct 15May 3Oct 16
1953no dataSep 24no dataSep 26

"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.