Last Frost Day

Frost history / Petroglyph Natl Mon, NM

Petroglyph Natl Mon, NM: frost dates by year

Last spring and first fall frost at NOAA station USC00296754, 1994 to 2025, measured from daily minimum temperatures.

Elevation 5,121 ft, 35.139, -106.711. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 16Oct 24
EarliestApr 2 (2000)Oct 10 (1994)
LatestMay 2 (2008)Nov 6 (2005)
Trend2.9 days earlier per decade2.7 days later per decade
Years with data2122

At 28°F (hard freeze) the median last spring date is Mar 31 and the median first fall date is Nov 4.

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 16Mar 31Apr 15Apr 30May 152000201020201995: Apr 181996: Apr 291997: Apr 261998: Apr 271999: Apr 162000: Apr 22001: Apr 232004: Apr 122005: Apr 112006: Apr 192007: Apr 142008: May 22009: Apr 162010: May 12018: Apr 132019: Apr 22020: Apr 152021: Apr 192022: Apr 142024: Apr 72025: Apr 19

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 112000201020201994: Oct 101995: Oct 231996: Oct 211997: Oct 141998: Oct 171999: Oct 182000: Nov 12004: Oct 302005: Nov 62006: Oct 192007: Oct 222008: Oct 232009: Oct 272012: Oct 262013: Oct 172017: Oct 282018: Nov 32019: Oct 102020: Oct 262022: Oct 252023: Oct 302024: Oct 30

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 19no dataMar 19no data
2024Apr 7Oct 30Mar 27Nov 7
2023no dataOct 30no dataOct 31
2022Apr 14Oct 25Mar 23Oct 25
2021Apr 19no dataMar 25no data
2020Apr 15Oct 26Apr 15Oct 26
2019Apr 2Oct 10Mar 23Oct 24
2018Apr 13Nov 3Mar 19Nov 11
2017no dataOct 28no dataNov 19
2013no dataOct 17no dataNov 6
2012no dataOct 26no dataNov 11
2010May 1no dataApr 3no data
2009Apr 16Oct 27Apr 6Oct 29
2008May 2Oct 23Apr 18Oct 23
2007Apr 14Oct 22Mar 31Nov 25
2006Apr 19Oct 19Mar 23Nov 13
2005Apr 11Nov 6Apr 1Nov 16
2004Apr 12Oct 30Mar 6Nov 2
2001Apr 23no dataMar 15no data
2000Apr 2Nov 1Apr 2Nov 2
1999Apr 16Oct 18Apr 16Oct 18
1998Apr 27Oct 17Apr 19Nov 10
1997Apr 26Oct 14Apr 13Oct 25
1996Apr 29Oct 21Apr 6Oct 22
1995Apr 18Oct 23Mar 31Nov 11
1994no dataOct 10no dataNov 14

"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.