Last Frost Day

Frost history / Payson, AZ

Payson, AZ: frost dates by year

Last spring and first fall frost at NOAA station USW00093139, 1951 to 2024, measured from daily minimum temperatures.

Elevation 4,850 ft, 34.233, -111.345. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 9Oct 22
EarliestApr 8 (1992)Oct 1 (1982)
LatestJun 7 (1993)Nov 14 (2001)
Trend2.2 days earlier per decade0.9 days later per decade
Years with data6768

At 28°F (hard freeze) the median last spring date is Apr 19 and the median first fall date is Nov 3.

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 31Apr 15Apr 30May 15May 30Jun 1419601970198019902000201020201951: May 21952: Apr 291953: Jun 31954: May 21955: May 161956: May 151957: May 221958: Apr 291959: May 61960: May 251961: May 81962: May 221963: May 121964: May 81965: May 261966: Apr 221967: May 151968: May 311969: May 31970: May 21971: Jun 31972: May 221973: May 61974: May 201975: May 231976: Apr 271977: May 191978: May 81979: May 111980: May 251981: May 211982: May 131983: May 161984: May 11985: May 141986: May 91988: May 311989: May 121990: May 31991: May 121992: Apr 81993: Jun 71994: May 211995: May 91996: Apr 212000: Apr 192001: Apr 232002: May 272003: May 102004: Apr 192005: May 112006: Apr 252007: Apr 242011: May 32012: May 272013: Apr 202014: Apr 282015: Apr 172016: Apr 262017: Apr 302018: May 32019: May 252020: Apr 172021: May 232022: May 122023: Apr 152024: Apr 16

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Oct 261952: Nov 11953: Oct 211954: Oct 251955: Oct 71956: Oct 201957: Oct 231958: Oct 221959: Oct 311960: Oct 141961: Oct 91962: Nov 61963: Nov 61964: Nov 11965: Oct 181966: Oct 141967: Oct 171968: Oct 161969: Oct 51970: Oct 81971: Oct 191972: Oct 261974: Nov 31975: Oct 131976: Oct 121977: Oct 211978: Oct 271979: Oct 221980: Oct 161981: Oct 161982: Oct 11983: Nov 91984: Oct 161985: Nov 21986: Oct 131987: Nov 111988: Oct 191989: Oct 261990: Oct 101991: Oct 271992: Oct 81993: Oct 281994: Oct 171995: Oct 61996: Oct 222000: Oct 312001: Nov 142002: Oct 32003: Nov 42004: Oct 232005: Nov 122006: Oct 192008: Oct 122010: Nov 72011: Oct 82012: Oct 252013: Oct 112014: Nov 32015: Nov 52016: Nov 102017: Nov 122018: Nov 12019: Oct 112020: Oct 272021: Oct 132022: Oct 242023: Oct 312024: 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
2024Apr 16Oct 30Apr 7Oct 30
2023Apr 15Oct 31Apr 6Oct 31
2022May 12Oct 24Apr 14Oct 25
2021May 23Oct 13Mar 28Oct 13
2020Apr 17Oct 27Apr 15Oct 27
2019May 25Oct 11Mar 23Oct 29
2018May 3Nov 1Apr 19Nov 12
2017Apr 30Nov 12Apr 1Nov 19
2016Apr 26Nov 10Apr 2Nov 18
2015Apr 17Nov 5Mar 6Nov 6
2014Apr 28Nov 3Apr 4Nov 3
2013Apr 20Oct 11Apr 19Oct 31
2012May 27Oct 25Apr 3Nov 11
2011May 3Oct 8Apr 11Nov 3
2010no dataNov 7no dataNov 10
2008no dataOct 12no dataOct 12
2007Apr 24no dataApr 16no data
2006Apr 25Oct 19Apr 6Nov 27
2005May 11Nov 12Mar 28Nov 19
2004Apr 19Oct 23Mar 6Nov 3
2003May 10Nov 4Apr 6Nov 4
2002May 27Oct 3Mar 25Nov 5
2001Apr 23Nov 14Apr 12Nov 24
2000Apr 19Oct 31Apr 2Nov 1
1996Apr 21Oct 22Apr 6Oct 22
1995May 9Oct 6Apr 22Nov 28
1994May 21Oct 17Apr 29Nov 4
1993Jun 7Oct 28Apr 15Oct 31
1992Apr 8Oct 8Mar 20Nov 4
1991May 12Oct 27May 11Oct 29
1990May 3Oct 10Mar 18Nov 5
1989May 12Oct 26Apr 28Oct 26
1988May 31Oct 19May 7Nov 12
1987no dataNov 11no dataNov 12
1986May 9Oct 13May 8Nov 7
1985May 14Nov 2Mar 31Nov 13
1984May 1Oct 16Apr 27Oct 16
1983May 16Nov 9Apr 15Nov 15
1982May 13Oct 1Apr 22Oct 28
1981May 21Oct 16Apr 5Oct 16
1980May 25Oct 16May 25Oct 17
1979May 11Oct 22May 10Oct 31
1978May 8Oct 27Apr 18Nov 16
1977May 19Oct 21May 18Nov 9
1976Apr 27Oct 12Apr 19Oct 29
1975May 23Oct 13May 22Oct 24
1974May 20Nov 3May 20Nov 4
1973May 6no dataApr 21no data
1972May 22Oct 26Apr 22Oct 31
1971Jun 3Oct 19Apr 28Oct 19
1970May 2Oct 8May 2Oct 9
1969May 3Oct 5Apr 27Oct 12
1968May 31Oct 16Apr 24Nov 6
1967May 15Oct 17May 6Nov 4
1966Apr 22Oct 14Apr 22Nov 10
1965May 26Oct 18May 9Nov 11
1964May 8Nov 1May 8Nov 5
1963May 12Nov 6Apr 28Nov 17
1962May 22Nov 6Apr 3Nov 17
1961May 8Oct 9Apr 26Oct 10
1960May 25Oct 14Apr 29Oct 31
1959May 6Oct 31May 5Oct 31
1958Apr 29Oct 22Apr 14Oct 31
1957May 22Oct 23Apr 24Nov 7
1956May 15Oct 20May 15Oct 25
1955May 16Oct 7May 16Oct 31
1954May 2Oct 25May 2Oct 25
1953Jun 3Oct 21May 29Oct 21
1952Apr 29Nov 1Mar 24Nov 5
1951May 2Oct 26May 1Nov 2

"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.