Last Frost Day

Frost history / Springerville, AZ

Springerville, AZ: frost dates by year

Last spring and first fall frost at NOAA station USC00028162, 1951 to 2025, measured from daily minimum temperatures.

Elevation 6,998 ft, 34.131, -109.275. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianJun 4Sep 25
EarliestApr 25 (1992)Sep 3 (1961)
LatestJul 6 (1991)Oct 16 (1981)
Trend0.5 days earlier per decadelittle change (less than half a day per decade)
Years with data6966

At 28°F (hard freeze) the median last spring date is May 19 and the median first fall date is Oct 5.

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 81952: May 251953: May 291954: Jun 71955: Jun 31956: May 271957: Jun 171958: May 151959: Jun 21960: Jun 131961: Jun 41962: Jun 181963: Jun 91964: May 291965: May 281966: May 131968: Jun 111969: May 171970: Jun 21971: Jun 81972: Jun 261973: Jun 201975: Jun 261976: Jun 251977: Jun 211978: Jun 41979: Jun 201980: Jun 51981: Jun 161982: Jun 91983: Jun 61984: Jun 171985: Jun 271986: May 311987: May 311988: Jun 81989: Jun 61990: Jun 181991: Jul 61992: Apr 251993: May 111994: May 221995: Jun 221996: May 291997: May 281998: Jun 191999: Jun 112000: May 222001: Jun 152002: May 242003: Jun 102004: Jun 112005: May 152006: May 312007: May 242008: May 302009: Jun 12010: Jun 132011: Jun 102012: May 302013: May 212014: May 252015: May 282016: May 282017: Jul 42022: May 252023: Jun 102024: Jun 12025: May 30

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 2719601970198019902000201020201951: Oct 51952: Sep 131953: Sep 291954: Oct 141955: Sep 271956: Oct 131957: Sep 191958: Sep 241959: Sep 201960: Sep 241961: Sep 31962: Sep 291963: Oct 61966: Oct 121967: Sep 291968: Sep 171969: Oct 51970: Sep 151971: Sep 191972: Sep 211973: Sep 241974: Sep 281975: Sep 221976: Oct 31977: Oct 11978: Sep 201979: Oct 61980: Sep 251981: Oct 161982: Oct 11984: Oct 61985: Sep 121986: Sep 111987: Sep 201988: Sep 141989: Sep 91990: Sep 181991: Oct 21992: Oct 11993: Sep 191994: Sep 151995: Sep 301996: Sep 211997: Oct 81998: Oct 21999: Sep 292000: Sep 252001: Sep 92002: Sep 222003: Sep 122004: Sep 62005: Sep 152006: Sep 172007: Sep 252008: Oct 72009: Sep 222010: Sep 112011: Sep 182012: Oct 12013: Sep 232014: Sep 302016: Sep 172018: Sep 272022: Oct 132023: Oct 32025: Oct 7

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 30Oct 7May 21Oct 17
2024Jun 1no dataMay 22no data
2023Jun 10Oct 3Apr 30Oct 4
2022May 25Oct 13May 14Oct 20
2018no dataSep 27no dataOct 6
2017Jul 4no dataMay 18no data
2016May 28Sep 17May 3Sep 24
2015May 28no dataMay 26no data
2014May 25Sep 30May 24Oct 2
2013May 21Sep 23May 3Sep 28
2012May 30Oct 1May 28Oct 13
2011Jun 10Sep 18May 31Oct 8
2010Jun 13Sep 11May 13Oct 9
2009Jun 1Sep 22Apr 30Sep 23
2008May 30Oct 7May 5Oct 7
2007May 24Sep 25May 9Oct 7
2006May 31Sep 17Apr 30Sep 18
2005May 15Sep 15May 12Sep 15
2004Jun 11Sep 6May 14Sep 22
2003Jun 10Sep 12May 12Oct 6
2002May 24Sep 22May 23Oct 4
2001Jun 15Sep 9Jun 15Oct 11
2000May 22Sep 25May 19Sep 25
1999Jun 11Sep 29Jun 6Sep 29
1998Jun 19Oct 2May 25Oct 5
1997May 28Oct 8May 27Oct 8
1996May 29Sep 21May 27Sep 28
1995Jun 22Sep 30Jun 18Oct 3
1994May 22Sep 15May 21Sep 28
1993May 11Sep 19May 10Sep 25
1992Apr 25Oct 1Apr 24Oct 8
1991Jul 6Oct 2Jun 1Oct 6
1990Jun 18Sep 18May 30Oct 4
1989Jun 6Sep 9May 22Sep 14
1988Jun 8Sep 14Jun 1Sep 23
1987May 31Sep 20May 27Oct 5
1986May 31Sep 11May 18Sep 30
1985Jun 27Sep 12May 14Sep 25
1984Jun 17Oct 6May 8Oct 7
1983Jun 6no dataMay 17no data
1982Jun 9Oct 1May 7Oct 1
1981Jun 16Oct 16May 9Oct 16
1980Jun 5Sep 25Jun 2Oct 16
1979Jun 20Oct 6May 11Oct 16
1978Jun 4Sep 20May 18Oct 14
1977Jun 21Oct 1May 19Oct 12
1976Jun 25Oct 3Jun 12Oct 5
1975Jun 26Sep 22May 23Oct 9
1974no dataSep 28no dataSep 28
1973Jun 20Sep 24May 5Sep 27
1972Jun 26Sep 21May 23Oct 22
1971Jun 8Sep 19Jun 4Sep 19
1970Jun 2Sep 15May 4Sep 15
1969May 17Oct 5May 8Oct 5
1968Jun 11Sep 17Jun 10Sep 17
1967no dataSep 29no dataOct 7
1966May 13Oct 12Apr 25Oct 14
1965May 28no dataMay 11no data
1964May 29no dataMay 15no data
1963Jun 9Oct 6Apr 29Oct 14
1962Jun 18Sep 29May 22Oct 6
1961Jun 4Sep 3Jun 3Sep 5
1960Jun 13Sep 24May 27Oct 6
1959Jun 2Sep 20May 22Oct 3
1958May 15Sep 24May 14Oct 21
1957Jun 17Sep 19May 26Oct 23
1956May 27Oct 13May 15Oct 15
1955Jun 3Sep 27May 18Sep 29
1954Jun 7Oct 14Jun 7Oct 15
1953May 29Sep 29May 18Sep 29
1952May 25Sep 13May 23Sep 13
1951Jun 8Oct 5Jun 3Oct 5

"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.