Last Frost Day

Frost history / Fayette, IA

Fayette, IA: frost dates by year

Last spring and first fall frost at NOAA station USC00132864, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,145 ft, 42.883, -91.830. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 8Sep 29
EarliestApr 15 (1964)Sep 4 (1974)
LatestMay 29 (1984)Oct 27 (2017)
Trend1.7 days earlier per decade2.4 days later per decade
Years with data7474

At 28°F (hard freeze) the median last spring date is Apr 24 and the median first fall date is Oct 7.

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: Apr 261952: May 291953: May 141954: May 201955: May 81956: May 161957: May 61958: May 91959: Apr 221960: May 121961: May 261962: Apr 201963: May 231964: Apr 151965: May 291966: May 111967: May 221968: May 101969: May 121970: May 21971: May 271972: May 101973: May 171974: May 131975: Apr 221976: May 81977: May 101978: May 101979: May 121980: May 141981: May 201982: Apr 281983: May 151984: May 291985: Apr 151986: May 31987: May 51988: Apr 291989: May 71990: May 111991: May 71992: May 271993: May 201994: May 41995: Apr 261996: May 141997: May 211998: Apr 181999: Apr 252000: Apr 222001: Apr 252002: May 212003: Apr 242004: May 152005: May 52006: May 62007: Apr 152008: Apr 302009: May 172010: May 92011: May 52012: Apr 212013: May 132014: Apr 192015: Apr 262016: May 152017: May 32019: Apr 292020: May 132021: May 112022: May 42023: Apr 272024: Apr 242025: Apr 17

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 281952: Sep 231953: Sep 131954: Sep 221955: Sep 111956: Sep 201957: Sep 271958: Oct 11959: Oct 111960: Oct 71961: Sep 281962: Sep 201963: Oct 121964: Sep 281965: Oct 41966: Sep 161967: Sep 291968: Oct 41969: Oct 141970: Oct 41971: Oct 71972: Sep 221973: Sep 181974: Sep 41975: Sep 131976: Sep 241977: Oct 31978: Oct 81979: Sep 221980: Sep 261981: Sep 281982: Sep 211983: Sep 221984: Sep 161985: Sep 271986: Oct 61987: Oct 31988: Oct 31989: Sep 231990: Sep 301991: Sep 191992: Sep 291993: Sep 301994: Oct 101995: Sep 221996: Oct 31997: Oct 141998: Oct 131999: Sep 212000: Sep 262001: Sep 252002: Sep 242003: Sep 292004: Sep 292005: Oct 82006: Oct 122007: Sep 152008: Oct 162009: Oct 102010: Oct 32011: Oct 212012: Sep 232013: Oct 202014: Oct 52015: Oct 172016: Oct 132017: Oct 272019: Oct 122020: Oct 22021: Oct 172022: Sep 282023: Oct 102024: Oct 72025: Oct 23

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

"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 1991–2020 frost probabilities.