Last Frost Day

Frost history / Fairbury 5S, NE

Fairbury 5S, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00252820, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,350 ft, 40.074, -97.167. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 26Oct 10
EarliestApr 6 (1977)Sep 14 (2014)
LatestMay 18 (2014)Oct 30 (2025)
Trendlittle change (less than half a day per decade)0.5 days later per decade
Years with data7371

At 28°F (hard freeze) the median last spring date is Apr 13 and the median first fall date is Oct 25.

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 3019601970198019902000201020201951: Apr 221952: Apr 151953: May 141954: May 51955: Apr 81956: Apr 291957: Apr 141958: Apr 291959: May 151960: May 121961: May 31962: Apr 161963: Apr 241964: Apr 141965: Apr 291966: May 131967: May 31968: Apr 271969: Apr 191970: May 31971: Apr 291972: Apr 91973: May 161974: Apr 171975: Apr 211976: May 41977: Apr 61978: Apr 221979: May 121980: Apr 151981: May 121982: Apr 231983: Apr 191985: Apr 101986: Apr 231987: Apr 131988: Apr 291989: May 21990: Apr 291991: May 71992: Apr 281993: Apr 91994: May 21995: May 31996: May 11997: May 141998: Apr 191999: Apr 192000: Apr 132001: Apr 182002: Apr 232003: Apr 102004: May 42005: May 42006: Apr 92007: Apr 162008: Apr 282009: Apr 152010: Apr 182011: May 172012: Apr 242013: May 42014: May 182015: Apr 232016: Apr 132017: Apr 282018: Apr 282020: May 102021: Apr 222022: Apr 262023: May 22024: Apr 212025: Apr 15

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 281952: Oct 61953: Oct 51954: Oct 161955: Oct 151956: Oct 71957: Oct 251959: Oct 91960: Oct 191961: Sep 281962: Oct 251963: Oct 291964: Oct 51965: Sep 241966: Oct 161967: Oct 191968: Oct 41969: Oct 141970: Oct 91971: Oct 101972: Sep 301973: Oct 291974: Oct 11975: Oct 11976: Oct 81977: Oct 91978: Oct 71979: Oct 21980: Oct 31981: Oct 191982: Oct 201983: Sep 231985: Oct 11986: Oct 131987: Oct 31988: Oct 71989: Oct 181990: Oct 101991: Sep 191992: Oct 81993: Oct 101994: Oct 251995: Sep 221996: Oct 301997: Oct 261999: Oct 42000: Oct 62001: Oct 162002: Oct 132003: Oct 172004: Oct 22005: Oct 72006: Oct 122007: Oct 232008: Oct 172009: Oct 42010: Oct 32011: Oct 192012: Sep 232013: Oct 172014: Sep 142015: Oct 172016: Oct 132017: Oct 282018: Oct 122020: Oct 22021: Oct 212022: Oct 82023: Oct 282024: Oct 142025: 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
2025Apr 15Oct 30Apr 8Oct 30
2024Apr 21Oct 14Apr 5Oct 16
2023May 2Oct 28Apr 23Oct 28
2022Apr 26Oct 8Apr 18Oct 8
2021Apr 22Oct 21Apr 21Nov 13
2020May 10Oct 2Apr 18Oct 24
2018Apr 28Oct 12Apr 20Oct 15
2017Apr 28Oct 28Apr 12Oct 28
2016Apr 13Oct 13Apr 13Oct 13
2015Apr 23Oct 17Mar 28Oct 29
2014May 18Sep 14May 17Oct 29
2013May 4Oct 17Apr 27Oct 25
2012Apr 24Sep 23Mar 10Oct 7
2011May 17Oct 19May 4Oct 20
2010Apr 18Oct 3Mar 23Oct 28
2009Apr 15Oct 4Apr 15Oct 10
2008Apr 28Oct 17Apr 15Oct 28
2007Apr 16Oct 23Apr 9Nov 1
2006Apr 9Oct 12Mar 26Oct 13
2005May 4Oct 7Apr 3Oct 24
2004May 4Oct 2Apr 12Nov 3
2003Apr 10Oct 17Apr 10Oct 26
2002Apr 23Oct 13Apr 5Oct 24
2001Apr 18Oct 16Mar 27Oct 27
2000Apr 13Oct 6Apr 9Oct 7
1999Apr 19Oct 4Apr 5Oct 24
1998Apr 19no dataApr 17no data
1997May 14Oct 26Apr 15Oct 27
1996May 1Oct 30Apr 7Oct 31
1995May 3Sep 22Apr 5Sep 22
1994May 2Oct 25May 1Oct 25
1993Apr 9Oct 10Apr 6Oct 27
1992Apr 28Oct 8Apr 23Nov 5
1991May 7Sep 19Mar 31Oct 6
1990Apr 29Oct 10Apr 14Nov 5
1989May 2Oct 18Apr 20Oct 19
1988Apr 29Oct 7Apr 27Oct 26
1987Apr 13Oct 3Apr 6Oct 21
1986Apr 23Oct 13Apr 15Nov 5
1985Apr 10Oct 1Apr 9Oct 1
1983Apr 19Sep 23Apr 16Nov 11
1982Apr 23Oct 20Apr 22Oct 21
1981May 12Oct 19Mar 24Oct 23
1980Apr 15Oct 3Apr 13Oct 25
1979May 12Oct 2Apr 28Oct 13
1978Apr 22Oct 7Apr 22Nov 7
1977Apr 6Oct 9Apr 1Oct 12
1976May 4Oct 8May 4Oct 16
1975Apr 21Oct 1Apr 13Oct 1
1974Apr 17Oct 1Apr 6Oct 15
1973May 16Oct 29Apr 11Oct 29
1972Apr 9Sep 30Apr 8Oct 19
1971Apr 29Oct 10Apr 7Oct 31
1970May 3Oct 9Apr 5Oct 31
1969Apr 19Oct 14Apr 6Oct 14
1968Apr 27Oct 4Apr 6Oct 28
1967May 3Oct 19May 3Oct 28
1966May 13Oct 16Apr 22Oct 16
1965Apr 29Sep 24Apr 29Oct 22
1964Apr 14Oct 5Apr 9Oct 9
1963Apr 24Oct 29Apr 23Nov 1
1962Apr 16Oct 25Apr 15Oct 25
1961May 3Sep 28May 2Oct 26
1960May 12Oct 19Apr 5Oct 19
1959May 15Oct 9Apr 22Oct 18
1958Apr 29no dataApr 29no data
1957Apr 14Oct 25Apr 14Oct 25
1956Apr 29Oct 7Apr 24Oct 26
1955Apr 8Oct 15Apr 7Oct 24
1954May 5Oct 16Apr 4Oct 30
1953May 14Oct 5Apr 20Oct 27
1952Apr 15Oct 6Apr 10Oct 6
1951Apr 22Sep 28Apr 16Oct 31

"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.