Last Frost Day

Frost history / Cedar City Muni Ap, UT

Cedar City Muni Ap, UT: frost dates by year

Last spring and first fall frost at NOAA station USW00093129, 1951 to 2024, measured from daily minimum temperatures.

Elevation 5,586 ft, 37.709, -113.094. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 19Oct 1
EarliestApr 28 (1969)Sep 2 (1973)
LatestJun 30 (1968)Oct 31 (1963)
Trend0.8 days later per decadelittle change (less than half a day per decade)
Years with data7474

At 28°F (hard freeze) the median last spring date is May 2 and the median first fall date is Oct 13.

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 1419601970198019902000201020201951: Jun 31952: May 101953: May 291954: May 31955: Jun 21956: May 151957: May 241958: Apr 301959: May 201960: May 191961: May 81962: May 211963: May 121964: May 91965: May 111966: May 121967: May 151968: Jun 301969: Apr 281970: May 151971: May 191972: May 211973: Jun 191974: Jun 81975: Jun 111976: Apr 281977: May 191978: May 181979: May 121980: May 261981: May 91982: Jun 61983: May 181984: May 161985: May 141986: May 171987: May 31988: May 311989: May 311990: May 161991: May 121992: May 101993: May 91994: May 211995: May 131996: Apr 291997: May 261998: Jun 171999: Jun 42000: May 132001: Jun 142002: Jun 102003: May 202004: May 122005: May 172006: May 302007: Jun 72008: Jun 52009: May 92010: May 292011: Jun 32012: Jun 112013: Jun 12014: May 222015: May 102016: May 122017: May 202018: May 132019: May 202020: Jun 92021: May 222022: May 302023: May 62024: May 10

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Oct 51952: Oct 141953: Oct 31954: Sep 301955: Sep 271956: Oct 131957: Sep 211958: Sep 251959: Sep 241960: Oct 161961: Sep 251962: Sep 91963: Oct 311964: Oct 181965: Sep 171966: Oct 131967: Oct 71968: Sep 211969: Oct 31970: Sep 221971: Sep 181972: Oct 211973: Sep 21974: Sep 281975: Oct 81976: Oct 181977: Sep 231978: Sep 191979: Oct 221980: Sep 231981: Oct 91982: Oct 21983: Oct 121984: Sep 251985: Sep 291986: Sep 211987: Oct 151988: Sep 131989: Oct 41990: Oct 71991: Oct 241992: Oct 71993: Sep 141994: Oct 151995: Sep 301996: Sep 171997: Oct 121998: Oct 41999: Sep 282000: Sep 232001: Sep 92002: Oct 12003: Sep 182004: Sep 52005: Sep 302006: Sep 172007: Sep 252008: Oct 72009: Sep 222010: Oct 132011: Oct 62012: Oct 72013: Sep 262014: Oct 22015: Oct 242016: Oct 42017: Sep 232018: Oct 92019: Sep 302020: Sep 82021: Sep 302022: Oct 222023: Oct 32024: Oct 18

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
2024May 10Oct 18Apr 16Nov 1
2023May 6Oct 3Apr 21Oct 13
2022May 30Oct 22Apr 25Oct 23
2021May 22Sep 30Apr 18Oct 13
2020Jun 9Sep 8Apr 15Oct 23
2019May 20Sep 30Apr 13Oct 1
2018May 13Oct 9Apr 18Oct 15
2017May 20Sep 23May 19Sep 25
2016May 12Oct 4Apr 18Oct 4
2015May 10Oct 24Apr 17Nov 4
2014May 22Oct 2May 13Oct 13
2013Jun 1Sep 26May 3Sep 28
2012Jun 11Oct 7May 7Oct 7
2011Jun 3Oct 6May 5Oct 7
2010May 29Oct 13May 25Oct 26
2009May 9Sep 22Apr 27Oct 1
2008Jun 5Oct 7May 13Oct 11
2007Jun 7Sep 25May 7Sep 25
2006May 30Sep 17May 10Sep 17
2005May 17Sep 30Apr 21Sep 30
2004May 12Sep 5Apr 12Sep 22
2003May 20Sep 18May 10Oct 11
2002Jun 10Oct 1Jun 10Oct 13
2001Jun 14Sep 9Jun 14Oct 10
2000May 13Sep 23May 13Sep 24
1999Jun 4Sep 28May 17Sep 28
1998Jun 17Oct 4Apr 27Oct 6
1997May 26Oct 12May 2Oct 12
1996Apr 29Sep 17Apr 29Oct 17
1995May 13Sep 30May 7Oct 5
1994May 21Oct 15Apr 30Oct 30
1993May 9Sep 14May 9Sep 14
1992May 10Oct 7Apr 20Nov 3
1991May 12Oct 24May 10Oct 27
1990May 16Oct 7May 9Oct 8
1989May 31Oct 4Apr 30Oct 17
1988May 31Sep 13May 7Sep 19
1987May 3Oct 15Apr 20Nov 9
1986May 17Sep 21May 5Oct 13
1985May 14Sep 29Mar 31Sep 29
1984May 16Sep 25Apr 29Oct 16
1983May 18Oct 12Apr 16Oct 15
1982Jun 6Oct 2Apr 21Oct 10
1981May 9Oct 9May 7Oct 14
1980May 26Sep 23May 26Oct 23
1979May 12Oct 22Apr 11Oct 28
1978May 18Sep 19Apr 22Sep 20
1977May 19Sep 23Apr 21Nov 1
1976Apr 28Oct 18Apr 27Oct 19
1975Jun 11Oct 8May 21Oct 8
1974Jun 8Sep 28Apr 29Nov 5
1973Jun 19Sep 2Apr 22Oct 4
1972May 21Oct 21May 1Oct 29
1971May 19Sep 18Apr 18Sep 18
1970May 15Sep 22May 3Sep 26
1969Apr 28Oct 3Apr 27Oct 4
1968Jun 30Sep 21May 17Sep 22
1967May 15Oct 7May 14Oct 15
1966May 12Oct 13May 12Oct 14
1965May 11Sep 17May 9Sep 17
1964May 9Oct 18May 5Oct 19
1963May 12Oct 31Apr 24Oct 31
1962May 21Sep 9May 21Nov 6
1961May 8Sep 25Apr 26Oct 22
1960May 19Oct 16May 19Oct 29
1959May 20Sep 24May 20Sep 28
1958Apr 30Sep 25Apr 27Sep 25
1957May 24Sep 21Apr 28Oct 25
1956May 15Oct 13Apr 15Oct 13
1955Jun 2Sep 27May 16Oct 6
1954May 3Sep 30May 2Oct 14
1953May 29Oct 3May 29Oct 24
1952May 10Oct 14Apr 16Oct 15
1951Jun 3Oct 5May 2Oct 6

"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.