Last Frost Day

Frost history / Valmora, NM

Valmora, NM: frost dates by year

Last spring and first fall frost at NOAA station USC00299330, 1951 to 2017, measured from daily minimum temperatures.

Elevation 6,325 ft, 35.817, -104.924. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 16Oct 3
EarliestApr 24 (1992)Sep 5 (1971)
LatestJun 11 (1975)Oct 23 (2015)
Trend0.5 days earlier per decade1.1 days later per decade
Years with data5456

At 28°F (hard freeze) the median last spring date is May 6 and the median first fall date is Oct 10.

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 15Apr 30May 15May 30Jun 14Jun 291960197019801990200020101951: May 41952: May 111953: May 181954: May 41955: May 191956: May 161957: May 121958: May 41959: Apr 281960: May 251961: May 161962: May 231963: May 131965: May 271966: May 141967: May 221968: May 181969: May 81970: Jun 61971: Jun 51972: May 241973: May 151974: Jun 101975: Jun 111976: May 131977: May 211978: May 91979: May 131980: May 301981: May 221982: May 171983: May 211984: May 91987: May 291988: May 231989: May 31990: May 101991: May 51992: Apr 241993: May 101994: Apr 301995: May 181996: May 11997: Apr 291999: May 72007: May 112008: May 172009: Apr 272010: May 262011: Jun 12012: May 272014: May 162015: Apr 292017: May 24

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101951: Sep 161952: Oct 61953: Oct 41954: Oct 151955: Oct 71956: Oct 151957: Sep 231958: Oct 31959: Sep 131960: Sep 251961: Sep 261962: Sep 101963: Oct 141964: Oct 61965: Sep 211966: Oct 41967: Oct 81968: Sep 171969: Oct 71970: Sep 231971: Sep 51972: Sep 221973: Sep 251974: Sep 251975: Sep 221976: Oct 71977: Oct 21978: Oct 51979: Oct 41980: Oct 111981: Oct 171982: Oct 21983: Sep 211984: Sep 291986: Sep 301987: Oct 61988: Sep 291989: Oct 161990: Oct 81991: Oct 61992: Sep 261993: Sep 261994: Oct 31995: Sep 221996: Sep 191998: Oct 62006: Sep 182007: Sep 282008: Oct 72010: Oct 122011: Oct 182013: Sep 292014: Oct 42015: Oct 232016: Sep 262017: Oct 9

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
2017May 24Oct 9May 20Oct 10
2016no dataSep 26no dataOct 5
2015Apr 29Oct 23Apr 29Oct 28
2014May 16Oct 4May 15Oct 14
2013no dataSep 29no dataOct 7
2012May 27no dataApr 17no data
2011Jun 1Oct 18May 4Oct 18
2010May 26Oct 12May 2Oct 26
2009Apr 27no dataApr 27no data
2008May 17Oct 7May 11Oct 24
2007May 11Sep 28May 8Oct 8
2006no dataSep 18no dataSep 25
1999May 7no dataMay 7no data
1998no dataOct 6no dataOct 6
1997Apr 29no dataApr 28no data
1996May 1Sep 19Apr 29Sep 19
1995May 18Sep 22Apr 26Oct 5
1994Apr 30Oct 3Apr 29Oct 9
1993May 10Sep 26May 9Oct 11
1992Apr 24Sep 26Apr 20Oct 7
1991May 5Oct 6May 3Oct 19
1990May 10Oct 8May 10Oct 8
1989May 3Oct 16May 3Oct 19
1988May 23Sep 29May 4Oct 26
1987May 29Oct 6Apr 22Oct 17
1986no dataSep 30no dataOct 12
1984May 9Sep 29May 9Oct 15
1983May 21Sep 21May 18Sep 21
1982May 17Oct 2May 14Oct 9
1981May 22Oct 17May 10Oct 17
1980May 30Oct 11Apr 19Oct 11
1979May 13Oct 4May 13Oct 10
1978May 9Oct 5May 7Oct 14
1977May 21Oct 2Apr 12Oct 12
1976May 13Oct 7May 1Oct 7
1975Jun 11Sep 22May 7Oct 9
1974Jun 10Sep 25May 21Sep 28
1973May 15Sep 25May 7Oct 11
1972May 24Sep 22May 15Oct 28
1971Jun 5Sep 5May 24Sep 18
1970Jun 6Sep 23May 8Sep 26
1969May 8Oct 7May 7Oct 7
1968May 18Sep 17Apr 25Oct 17
1967May 22Oct 8May 15Oct 16
1966May 14Oct 4May 13Oct 13
1965May 27Sep 21May 9Sep 21
1964no dataOct 6no dataOct 12
1963May 13Oct 14Apr 29Nov 1
1962May 23Sep 10May 2Sep 10
1961May 16Sep 26May 9Oct 2
1960May 25Sep 25May 25Oct 13
1959Apr 28Sep 13Apr 23Sep 25
1958May 4Oct 3Apr 25Oct 3
1957May 12Sep 23Apr 21Oct 24
1956May 16Oct 15May 16Oct 21
1955May 19Oct 7May 3Oct 7
1954May 4Oct 15May 3Oct 15
1953May 18Oct 4May 13Oct 5
1952May 11Oct 6Apr 22Oct 6
1951May 4Sep 16May 4Oct 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.