Last Frost Day

Frost history / Neola, UT

Neola, UT: frost dates by year

Last spring and first fall frost at NOAA station USC00426123, 1956 to 2025, measured from daily minimum temperatures.

Elevation 5,950 ft, 40.418, -110.051. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 21Sep 29
EarliestApr 25 (2018)Aug 23 (1968)
LatestJun 26 (1975)Oct 28 (2015)
Trend2.1 days earlier per decade2.6 days later per decade
Years with data5763

At 28°F (hard freeze) the median last spring date is May 6 and the median first fall date is Oct 9.

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 29Jul 1419601970198019902000201020201957: Jun 161958: Apr 291959: May 211960: Jun 211961: May 181962: Jun 71963: Jun 61965: May 241969: Apr 291970: May 311971: May 241972: May 121973: Jun 191974: Jun 81975: Jun 261976: May 11977: May 201978: Jun 11979: Jun 91980: May 261981: May 131983: May 191985: May 131988: May 311990: Jun 21991: May 121992: May 121993: May 101994: May 211995: Jun 171996: May 51997: May 261998: May 231999: May 172000: May 132001: Jun 132004: May 302005: May 32006: May 302007: May 242008: May 132009: May 92010: May 302012: May 62013: May 312014: May 142015: May 162016: May 22017: May 202018: Apr 252019: May 182020: Jun 92021: May 122022: May 222023: May 62024: May 242025: May 15

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201956: Sep 231957: Sep 131958: Sep 251959: Sep 291960: Oct 111961: Sep 231962: Sep 91964: Oct 21965: Sep 161968: Aug 231969: Oct 31970: Sep 151971: Sep 41972: Oct 211973: Sep 241974: Sep 131975: Sep 191976: Oct 41977: Sep 231978: Sep 121979: Oct 171980: Sep 221981: Oct 101982: Oct 11983: Sep 201984: Sep 251986: Sep 291987: Oct 161989: Oct 51990: Oct 71991: Sep 151992: Oct 71993: Sep 141995: Sep 221996: Sep 181997: Oct 91998: Oct 51999: Sep 272000: Sep 232001: Oct 52002: Oct 122003: Sep 142004: Sep 212005: Oct 52006: Sep 162007: Sep 242008: Oct 112010: Oct 202011: Oct 72012: Oct 42013: Sep 282014: Oct 22015: Oct 282016: Oct 42017: Sep 252018: Oct 122019: Sep 212020: Sep 82021: Oct 122022: Oct 162023: Oct 142024: Oct 252025: Oct 17

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 15Oct 17Apr 20Oct 28
2024May 24Oct 25May 24Oct 31
2023May 6Oct 14Apr 21Oct 27
2022May 22Oct 16May 21Oct 24
2021May 12Oct 12Apr 25Oct 15
2020Jun 9Sep 8Apr 19Oct 12
2019May 18Sep 21May 3Oct 5
2018Apr 25Oct 12Apr 25Oct 14
2017May 20Sep 25Apr 30Oct 3
2016May 2Oct 4May 2Oct 19
2015May 16Oct 28Apr 16Oct 28
2014May 14Oct 2May 13Oct 28
2013May 31Sep 28May 2Sep 28
2012May 6Oct 4May 6Oct 6
2011no dataOct 7no dataOct 26
2010May 30Oct 20May 13Oct 26
2009May 9no dataApr 28no data
2008May 13Oct 11May 13Oct 12
2007May 24Sep 24Apr 22Sep 30
2006May 30Sep 16May 10Sep 17
2005May 3Oct 5Apr 30Oct 6
2004May 30Sep 21May 14Sep 22
2003no dataSep 14no dataSep 18
2002no dataOct 12no dataOct 14
2001Jun 13Oct 5Apr 23Oct 10
2000May 13Sep 23May 13Oct 13
1999May 17Sep 27May 12Sep 27
1998May 23Oct 5Apr 19Oct 5
1997May 26Oct 9May 3Oct 12
1996May 5Sep 18Apr 29Sep 26
1995Jun 17Sep 22May 13Sep 22
1994May 21no dataApr 30no data
1993May 10Sep 14May 8Oct 10
1992May 12Oct 7Apr 24Oct 7
1991May 12Sep 15May 5Oct 4
1990Jun 2Oct 7May 9Oct 9
1989no dataOct 5no dataOct 27
1988May 31no dataMay 6no data
1987no dataOct 16no dataNov 7
1986no dataSep 29no dataOct 12
1985May 13no dataApr 27no data
1984no dataSep 25no dataSep 30
1983May 19Sep 20May 15Sep 20
1982no dataOct 1no dataOct 8
1981May 13Oct 10May 13Oct 21
1980May 26Sep 22May 26Oct 21
1979Jun 9Oct 17May 12Oct 21
1978Jun 1Sep 12May 31Sep 19
1977May 20Sep 23Apr 20Oct 8
1976May 1Oct 4Apr 27Oct 8
1975Jun 26Sep 19May 7Oct 9
1974Jun 8Sep 13Apr 30Sep 13
1973Jun 19Sep 24May 28Oct 12
1972May 12Oct 21May 1Oct 25
1971May 24Sep 4May 19Sep 18
1970May 31Sep 15May 15Sep 15
1969Apr 29Oct 3Apr 29Oct 3
1968no dataAug 23no dataSep 22
1965May 24Sep 16May 6Sep 17
1964no dataOct 2no dataOct 19
1963Jun 6no dataMay 12no data
1962Jun 7Sep 9May 16Sep 9
1961May 18Sep 23May 8Sep 23
1960Jun 21Oct 11May 24Oct 15
1959May 21Sep 29May 21Oct 6
1958Apr 29Sep 25Apr 25Oct 20
1957Jun 16Sep 13Apr 30Sep 21
1956no dataSep 23no dataOct 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.