Last Frost Day

Frost history / Newell, SD

Newell, SD: frost dates by year

Last spring and first fall frost at NOAA station USC00396054, 1951 to 2025, measured from daily minimum temperatures.

Elevation 2,860 ft, 44.714, -103.426. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 12Sep 26
EarliestApr 19 (1981)Sep 4 (1962)
LatestJun 13 (1969)Oct 27 (1963)
Trend0.9 days earlier per decade2.2 days later per decade
Years with data7270

At 28°F (hard freeze) the median last spring date is Apr 30 and the median first fall date is Oct 6.

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 14Jun 2919601970198019902000201020201951: Jun 21952: May 281953: May 181954: May 81955: May 101956: May 141957: Apr 281958: May 21959: May 231960: May 201961: May 51962: May 11963: May 221964: May 241965: May 111966: May 131967: May 131968: May 201969: Jun 131970: May 21971: May 201972: May 61973: May 221974: May 241975: Apr 211976: May 131977: Apr 251978: May 91979: May 111980: May 81981: Apr 191982: May 311983: May 151984: May 281986: May 171987: Apr 211988: May 41989: May 81990: May 171991: May 61992: May 261993: May 11994: May 11995: May 41996: May 111997: May 201998: May 71999: May 122000: May 182001: May 242002: May 242003: May 202004: May 142005: May 152006: May 112007: Apr 252010: May 132011: May 52012: May 132013: May 42014: May 152015: May 212016: May 142017: May 42018: Apr 242019: May 122020: May 172021: May 122022: May 222023: May 22024: May 42025: Apr 29

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 161952: Oct 21953: Sep 211954: Sep 211955: Sep 231956: Sep 61957: Sep 141958: Sep 211959: Sep 171960: Sep 301961: Sep 141962: Sep 41963: Oct 271964: Sep 121965: Sep 161966: Oct 11967: Sep 271968: Sep 231969: Oct 51970: Sep 131971: Sep 151972: Sep 211973: Sep 171974: Sep 211975: Sep 121976: Sep 281977: Oct 51978: Sep 201979: Sep 141980: Oct 161981: Sep 271982: Oct 21983: Sep 201984: Sep 231985: Sep 201986: Sep 71987: Oct 61988: Oct 41989: Sep 111991: Sep 181992: Sep 281993: Sep 141994: Oct 231995: Sep 211996: Oct 21997: Sep 201998: Oct 122000: Sep 232001: Oct 52003: Sep 302004: Oct 12005: Oct 52006: Sep 192009: Oct 32010: Oct 132011: Oct 182012: Oct 42013: Oct 32014: Sep 122015: Oct 152016: Oct 62017: Oct 32018: Sep 252019: Oct 32020: Sep 92021: Oct 132022: Oct 82023: Oct 62024: Oct 12025: Oct 13

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 29Oct 13Apr 20Oct 13
2024May 4Oct 1May 4Oct 23
2023May 2Oct 6Apr 29Oct 7
2022May 22Oct 8May 22Oct 18
2021May 12Oct 13May 4Oct 21
2020May 17Sep 9Apr 17Sep 9
2019May 12Oct 3May 3Oct 10
2018Apr 24Sep 25Apr 24Oct 3
2017May 4Oct 3Apr 30Oct 4
2016May 14Oct 6May 14Oct 12
2015May 21Oct 15Apr 22Oct 24
2014May 15Sep 12Apr 16Oct 28
2013May 4Oct 3May 4Oct 6
2012May 13Oct 4Apr 11Oct 5
2011May 5Oct 18Apr 24Oct 19
2010May 13Oct 13May 10Oct 28
2009no dataOct 3no dataOct 10
2007Apr 25no dataApr 14no data
2006May 11Sep 19May 5Sep 19
2005May 15Oct 5May 4Oct 6
2004May 14Oct 1May 13Oct 2
2003May 20Sep 30May 20Oct 26
2002May 24no dataMay 24no data
2001May 24Oct 5Apr 23Oct 6
2000May 18Sep 23May 13Sep 24
1999May 12no dataApr 17no data
1998May 7Oct 12Apr 16Nov 4
1997May 20Sep 20May 3Oct 21
1996May 11Oct 2May 4Oct 18
1995May 4Sep 21Apr 27Sep 21
1994May 1Oct 23Apr 29Oct 23
1993May 1Sep 14Apr 21Sep 14
1992May 26Sep 28Apr 22Oct 8
1991May 6Sep 18May 1Sep 18
1990May 17no dataMay 10no data
1989May 8Sep 11May 8Sep 11
1988May 4Oct 4Apr 27Oct 7
1987Apr 21Oct 6Apr 14Oct 7
1986May 17Sep 7Apr 15Oct 12
1985no dataSep 20no dataSep 24
1984May 28Sep 23May 5Sep 24
1983May 15Sep 20May 15Sep 22
1982May 31Oct 2May 31Oct 7
1981Apr 19Sep 27Apr 14Oct 15
1980May 8Oct 16Apr 9Oct 17
1979May 11Sep 14May 11Oct 13
1978May 9Sep 20Apr 20Oct 6
1977Apr 25Oct 5Apr 5Oct 11
1976May 13Sep 28May 13Sep 28
1975Apr 21Sep 12Apr 20Oct 1
1974May 24Sep 21Apr 16Sep 28
1973May 22Sep 17May 14Oct 4
1972May 6Sep 21Apr 24Sep 26
1971May 20Sep 15Apr 14Oct 13
1970May 2Sep 13May 1Oct 7
1969Jun 13Oct 5Apr 29Oct 5
1968May 20Sep 23May 20Oct 3
1967May 13Sep 27May 11Sep 27
1966May 13Oct 1Apr 30Oct 1
1965May 11Sep 16Apr 28Sep 19
1964May 24Sep 12Apr 29Sep 27
1963May 22Oct 27May 22Oct 27
1962May 1Sep 4Apr 17Sep 4
1961May 5Sep 14Apr 28Sep 25
1960May 20Sep 30May 7Sep 30
1959May 23Sep 17May 14Sep 30
1958May 2Sep 21Apr 29Sep 25
1957Apr 28Sep 14Apr 17Oct 17
1956May 14Sep 6Apr 30Oct 15
1955May 10Sep 23Apr 24Oct 12
1954May 8Sep 21May 8Sep 21
1953May 18Sep 21May 13Sep 21
1952May 28Oct 2Apr 22Oct 2
1951Jun 2Sep 16May 6Sep 27

"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.