Last Frost Day

Frost history / Tres Piedras, NM

Tres Piedras, NM: frost dates by year

Last spring and first fall frost at NOAA station USC00299085, 1952 to 2009, measured from daily minimum temperatures.

Elevation 8,139 ft, 36.651, -105.972. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianJun 10Sep 14
EarliestMay 19 (1956)Aug 12 (1955)
LatestJul 21 (1958)Oct 6 (2008)
Trend0.8 days earlier per decade4.8 days later per decade
Years with data2117

At 28°F (hard freeze) the median last spring date is May 29 and the median first fall date is Sep 30.

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 29196019701980199020001952: May 271953: Jun 51954: Jun 151955: Jul 81956: May 191957: Jun 251958: Jul 211959: May 291960: Jun 11961: Jun 31962: Jun 171963: Jun 101964: Jun 11973: Jun 201979: Jun 111980: Jun 201989: Jun 81990: Jun 171991: Jun 71992: Jun 182009: May 27

First fall frost (32°F)

Jul 29Aug 13Aug 28Sep 12Sep 27Oct 12196019701980199020001952: Sep 131953: Aug 281955: Aug 121956: Aug 221958: Sep 161973: Sep 31974: Sep 21979: Sep 141980: Sep 221984: Sep 181988: Sep 51989: Sep 141990: Sep 181991: Sep 161993: Sep 142005: Sep 152008: Oct 6

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
2009May 27no dataApr 19no data
2008no dataOct 6no dataOct 7
2005no dataSep 15no dataOct 11
1993no dataSep 14no dataSep 15
1992Jun 18no dataMay 12no data
1991Jun 7Sep 16May 5Oct 20
1990Jun 17Sep 18Jun 2Sep 24
1989Jun 8Sep 14Jun 1Oct 8
1988no dataSep 5no dataSep 30
1984no dataSep 18no dataOct 6
1980Jun 20Sep 22Jun 2Sep 24
1979Jun 11Sep 14May 14Oct 17
1974no dataSep 2no dataSep 28
1973Jun 20Sep 3Jun 5Sep 3
1964Jun 1no dataJun 1no data
1963Jun 10no dataMay 13no data
1962Jun 17no dataMay 29no data
1961Jun 3no dataMay 13no data
1960Jun 1no dataMay 26no data
1959May 29no dataMay 22no data
1958Jul 21Sep 16Jun 13Sep 16
1957Jun 25no dataJun 22no data
1956May 19Aug 22May 18Oct 11
1955Jul 8Aug 12Jun 19Sep 20
1954Jun 15no dataJun 8no data
1953Jun 5Aug 28Jun 5Oct 4
1952May 27Sep 13May 18Sep 13

"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.